Kgt 550 pirkti naudotą (6 723)

Sąlyga: naudotas, bakelio talpa: 8 550 l, GENERAL Equipment: Crane lugs Design: Suspended Notes: Feet made of Fe; flanges partially made of Fe Speed: 8.5 - 51 rpm Internal diameter: 2,000 mm Explosion protection: Motor is explosion-proof (compliance with applicable ATEX guidelines under local conditions must be verified) Overall height: 5,200 mm Heating/Cooling: Available Power: 15 kW Max. permissible operating temperature: 200°C Max. permissible operating overpressure: 6.0 bar Max. overpressure: 3.2 bar Mechanical seal: Mechanical seal with thermosiphon vessel Agitator: Anchor agitator Base design: Feet Location: Bremen Technical documents: Drawing, TÜV certificates Cylinder temperature control: Half-pipe coil Nameplate: Vacuum: 1.0 bar Volume: 8,550 liters Double jacket volume: 160.0 liters Cylinder wall thickness: 8 mm Product-contact material: V4A 1.4571 (AISI316) Condition: Used Cylindrical height: 2,200 mm Last application: Pharmaceutical chemistry VESSEL Max. permissible operating temperature: 200°C HEATING/COOLING JACKET Temperature control bottom: Half-pipe coil EQUIPMENT Lhodsxqah Topfx Abksr Manhole / Dome: In the top head (DN 500) Outlet: Flange DN150 MATERIAL SPECIFICATION Temperature control system material: AISI 304 (V2A) 1.4306 AGITATOR 1 Agitator manufacturer: Ekato Voltage: 380 Volt Current disruptor: TECHNICAL DATA / DIMENSIONS Bottom wall thickness: 8 mm Agitator arrangement: Centered in the top head Agitator equipment: Drive was regulated by an external frequency converter by the previous operator (no longer available) Top head wall thickness: 10 mm

Sąlyga: paruoštas naudoti (naudotas), Gamybos metai: 2001, veikimo valandos: 14 336 h, Valdymo blokas Markė: HAAS Modelis: nenurodytas Bendra informacija Plotis: 2718 mm Aukštis: 1473 mm Gylis: 2357 mm Pagrindinė pavara Ašių skaičius: 3 Lsdpfxsx D Eg Uj Abkshr Stalas T-griovelių skaičius: 3 Maksimali stalo apkrova: 1350 kg Įrankiai Įrankio laikiklio tipas: ISO 40 Papildoma įranga Pastaba: 4-oji ašis yra, tačiau sugedusi; turi būti pakeistas HRT160 AC servovariklio maitinimo blokas. Media Vidinis aušinimas: taip Šis 3 ašių HAAS VCE 550 buvo pagamintas 2001 m. Įrenginys turi darbo veleną, kurio didžiausias greitis – 7500 aps./min., o su papildoma dviguba pavara greitį galima padidinti iki 10 000 aps./min. Darbo zona siekia 508 x 406 x 508 mm, o stalas gali atlaikyti iki 1350 kg. Pasinaudokite galimybe įsigyti šį vertikalų apdirbimo centrą HAAS VCE 550. Susisiekite su mumis norėdami gauti daugiau informacijos apie šį įrenginį. Pritaikymo sritys Frezavimas

Sąlyga: naudotas, Gamybos metai: 2005, X ašies eiga: 550 mm, Y ašies eiga: 410 mm, Z ašies eigos atstumas: 560 mm, - Gamintojas: Matsuura - Fanuc 31i su Manual Guide - Modelis: V-plus 550 - Gamybos metai: 2005 - X ašis: 550,0 mm - Y ašis: 410,0 mm - Z ašis: 560,0 mm - Stalo ilgis: 870,0 mm - Stalo plotis: 400,0 mm - Didžiausias ruošinio svoris: 400,0 kg - Įrankių vietų skaičius: 30 vnt. BT40 - Didžiausias veleno greitis: 15 000 aps./min. - Aušinimas per veleną - Marposs lazerinis zondas Ljdpoxwbqcjfx Abkehr - Mašinos dokumentacija

Sąlyga: naudotas, rida: 739 098 km, galia: 220 kW (299,12 AG), pirmoji registracija: 12/2008, kuro tipas: dyzelinas, sėdimų vietų skaičius: 50, pavaros tipas: automatinis, emisijos klasė: Euro 5, spalva: balta, stabdžiai: retarderis, Įranga: ABS, autonominis šildytuvas,

Sąlyga: naudotas, Gamybos metai: 2017, veikimo valandos: 26 780 h, Funkcionalumas: visiškai funkcionalus, mašinos/transporto priemonės numeris: 80065, High-Performance Vibratory Finishing System by Rösler – Complete Solution for Efficient Surface Processing Available for sale is a fully equipped Rösler continuous-feed system R 550/6600 DA including comprehensive peripheral equipment – ideal for industrial-scale processing of aluminum die-cast and metal parts. System Highlights: - Continuous-Feed System R 550/6600 DA - Processing Chamber: 6,600 mm length, 550 mm width, 1,450 liters capacity - Vibratory principle with multi-mass imbalance system for uniform processing - PLC control (Siemens S7-1500) with plain-text display and network interface - Central lubrication and integrated process water collection system Complete Peripheral Equipment for Maximum Efficiency: - Conveyor belts (R 600/4500 FB/T and R 360/3000 FB/T) - Belt dryer R 2000.1 BT with up to 50 kW heating capacity and blow-off station - Centrifugal separator Z 1000 ASS-II Turbo for process water recirculation - Lifting station, buffer and recirculation tanks, residual water tank - Control cabinet with PLC control and frequency converters - Media storage bin, dosing units, and sludge trolley Lodpfxsx I Nums Abkshr Technical Advantages: - High throughput for series production (up to 400,000 workpieces/year) - Water-saving recirculation system with automatic sludge discharge - Sturdy, durable construction – vibration and noise dampened - Easy operation thanks to user-friendly control and automated processes Ideal for: Automotive suppliers, metalworking, die casting operations, and anyone seeking a reliable solution for deburring, edge rounding, and surface finishing. Condition: Very well maintained, ready for operation Scope of delivery: Complete system including documentation and accessories

Sąlyga: naudotas, Norėdami gauti daugiau informacijos, kreipkitės į ATS Norway. Prašome užklausoje nurodyti nuorodos numerį: 22020 Aprašymas: Parduodame Atlas Copco 550 vinies kalimo įrenginį. Savininko teigimu, viskas turėtų veikti tinkamai. Komplekte yra papildomas išmetimo mechanizmas ir kuro papildymo sistema. Ledox E Nmdspfx Abkjhr Tinka S50 ir S60 tvirtinimams. Paruošta pristatymui.

Sąlyga: naudotas, Gamybos metai: 2007, Sukimosi skersmuo: 600 mm Apsukimo skersmuo: 680 mm Tekinimo aukštis: 600 mm Z ašis: 500 mm X ašis: 560 mm Pagrindinės verpstės pavaros galia: 65/80 kW Pagrindinės verpstės apsukos: 2800 Ruošinų keitiklis: 12 vietų Z ašies pastūma: 0,01–30 000 mm/min X ašies pastūma: 0,01–45 000 mm/min Lsdjv Rrq Dopfx Abkjhr Griebtuvas: Rota NCR 630 mm Įtampa: 400 V Dažnis: 50 Hz Valdymas: Siemens 840 D pl Bendras galingumo poreikis: 140 A Staklių svoris apie 18 t Užimamas plotas apie 6,5 x 3,8 x 4,20 m Įskaitant padėklą su įrankiais.

Sąlyga: naujas, Išpildymas: Akinimo apsauginė kasetė su spalvos stabilumo filtru ir apsaugos lygių pasirinkimu nuo 4/9-13. Nuolat reguliuojamas jautrumo diapazonas „super High“. Atidarymo vėlinimas su reguliavimo rankenėle. Maksimali UV/IR apsauga visame apsaugos lygių diapazone. Nerefleksinis išorinis ir vidinis apsauginiai stiklai. Energiškai efektyvi elektronika su Super-Sleep režimu iki maždaug 3 000 valandų be baterijos keitimo. Ljdpfx Abow Rntfjkshr

Sąlyga: naudotas, Gamybos metai: 2022, veikimo valandos: 550 h,

Sąlyga: naudotas, Gamybos metai: 1974, Sukimosi skersmuo virš lovos: 550 mm Sukimosi skersmuo virš atramos: 300 mm Sukimo ilgis: 1650 mm Centru aukštis: 275 mm Veleno skylė: 82 mm Veleno apsisukimų diapazonas: 9 - 1800 aps./min Bendras galios poreikis: 23 kW Staklių svoris apie 4,5 t. Užimama vieta apie 4,5 x 1,4 x 1,9 m Tekinimo staklės su: - Skaitmeninis ekranas - Greita eiga - Multifix įrankių laikiklis - Įskaitant keletą įrankių laikiklių - Forkardt trijų žandikaulių griebtuvas F400 - Aušinimo skysčio sistema - Mašinos apšvietimas - Centro smaigalys Lhjdpfx Absx I Sf Isksr - Griebtuvo apsauga - Drožlių padėklas - Avarinio sustabdymo įrenginys - Pagrindinio veleno srovės indikatorius

Sąlyga: naudotas, Gamybos metai: 2012, veikimo valandos: 8 600 h, galia: 121 kW (164,51 AG), kita apžiūra (TÜV): 11/2027, Įranga: ABS, autonominis šildytuvas, kabina, oro kondicionavimas, priekinis prikabinimo įtaisas, visų varančiųjų ratų pavara,

Sąlyga: paruoštas naudoti (naudotas), keliamoji galia: 550 kg, nominali galia: 69 kW (93,81 AG), Hindenlang TPEVA - 550 - Indukcinė krosnis Tipas: Indukcinė krosnis Maksimali temperatūra: 850° Talpa: 900 x 750 mm x 550 kg Lhsdpfxjxpkhns Abker Įtampa: 400 V / 100 A

Sąlyga: geras (naudotas), Gamybos metai: 2014, Kėlimo galia: 550 kg. Svoris: 100 kg. Būklė: gera, naudota. Lodpfsx Dtfrsx Abkohr

Sąlyga: naudotas, Gamybos metai: 2020, veikimo valandos: 6 600 h, Įranga: visų varančiųjų ratų pavara, Liebherr L 546 P 2plus1 Machine delivery: 13.11.2020 Chassis No. VATZ1755 CZB061536 Year of manufacture: 2020 Operating hours: approx. 6,600 Ljdpfx Aewrlc Uebkohr 4-cylinder inline engine, 120 kW/188 hp, water-cooled with turbocharging, emission level V Operating weight approx. 14,300 kg | Perm. total weight 18,000 kg Brakes: The hydrostatic drive’s self-locking effect acts on all four wheels and is supplemented by a hydraulic accumulator brake system with wet disc brakes integrated in the differential housing (two separate brake circuits) Hydrostatic drive with 3-speed transmission * Automatic central lubrication system, factory-installed by Liebherr * Automatic climate control - maintains the set temperature automatically * Cooling box in the cab * 3rd hydraulic circuit for attachments such as high-tip bucket, grapple bucket, etc. Ride control BSS – lifting gear damping * Access aid at the front windshield for easier cleaning * Fluff screen to prevent radiator contamination * Coarse-mesh radiator for easier cleaning * Reversible fan for blowing out radiators – reverse mode * Air filter with "TopSpin" pre-separator for pre-cleaning intake air * Premium display with touchscreen * "Comfort" driver’s seat with pneumatic suspension and seat heating * Left armrest * Adjustable steering column (tilt-adjustable) * Radio * Steel front headlight carrier instead of plastic * 2 rear LED work lights on the cab roof * 2 front LED work lights on the cab roof * Sunblinds front and rear * Rear view monitoring via display monitor * Automatic engine shutdown after 5 minutes at idle * Reinforced rear bumper/larger counterweight * Integrated scale in the display – original Liebherr “Pfreudt” Net price with quick coupler and bucket €79,900 + VAT · Tyres: 20.5 x 25 L3 FA 2 x 40% · Tyres: 20.5 x 25 L3 RA 2 x 40% Automatic self-locking differentials, 45% locking effect on both axles Additional equipment available for extra charge: · Grapple bucket 2.0 to 3 m³ €3,680.00 · High-volume bucket 5 m³ €3,990.00 · High-tip bucket from 3–5.5 m³ from €3,950.00 · Pallet fork 5 or 8 tons from €2,190.00 Optionally available with on-board scale All prices are net export prices; domestic sales plus 19% VAT We can arrange transport to your location. Sale only to businesses or export. Sold as-is, as viewed. No guarantee or warranty. The mileage or operating hours are read from the odometer/hour meter; we assume no guarantee for their accuracy! Subject to prior sale. The vehicle description does not constitute a binding offer, and the information provided is not to be considered as guaranteed features. The description and given details serve solely for general vehicle identification and do not constitute warranty in the legal sense. The information does not claim to be complete. The descriptions and photos are non-binding and do not serve as guaranteed characteristics. Only the specifications in the order confirmation and invoice are binding. The seller assumes no liability/warranty. The advertisement may contain typographical or data transmission errors. The seller has not inspected the machine.

Sąlyga: labai geros būklės (naudotas), HSS saw beveling machine PERUZZI model SAUT 550, completely overhauled and newly painted, like new Lhodshzcctopfx Abkjr

Sąlyga: naudotas, rida: 233 300 km, galia: 265 kW (360,30 AG), pirmoji registracija: 02/2010, kuro tipas: dyzelinas, bendras svoris: 26 000 kg, ašių konfigūracija: 3 ašys, spalva: balta, pavaros tipas: automatinis, emisijos klasė: Euro 6, Įranga: ABS, elektroninė stabilumo programa (ESP), kranas, oro kondicionavimas, suodžių filtras,

Sąlyga: naudotas, Ritininių konvejeris su 90° grandininio stūmikliu RA1846 Tipas: Transnorm 3300-600-500 Transportavimo ilgis (FL): 3300 mm Ritinių plotis (RB): 550 mm Nominalus/išorinis plotis (NB): 600 mm Lsdpfok Abg Dex Abkohr Grandininio stūmiklio plotis: 700 mm Konstrukcijos aukštis (BH): 140 mm Ritininių atstumas: 80 mm įskaitant pneumatinį stabdiklį Papildomai prieinami pasirinkimai: Kojelės Šoninis vedimas iš vienos ir abiejų pusių Dažnio keitiklis Kainos be PVM, atsiėmimas iš centrinio sandėlio Dr. Sonntag GmbH & Co KG, 97076 Würzburg Individualiai ir profesionaliai konsultacijai tiesiog susisiekite su mumis. Susisiekite su mumis telefonu arba el. paštu. Mes mielai padėsime Jums planuojant ir įgyvendinant Jūsų projektus. Laukiame Jūsų žinutės. Pagarbiai, Jūsų Dr. Sonntag GmbH & Co. KG komanda Jūsų profesionalus partneris vidinei logistikai

Sąlyga: paruoštas naudoti (naudotas), nominali galia: 69 kW (93,81 AG), Hindenlang TPEVA 550 - Indukcinė krosnis Tipas: Indukcinė krosnis Maksimali temperatūra: 850° Talpa: 750 x 900 mm x 550 kg Lhsdpfjx Imk Ejx Abksr Įtampa: 400 V / 100 A

Sąlyga: naudotas, Gamybos metai: 2007, Gebhardt ritininis konvejeris 600-610-550 RA1909 Gamintojas: Gebhardt Ritinių plotis (RB): 550 mm, plieniniai ritinėliai Nominalus / išorinis plotis (NB): 610 mm Ilgis: 6000 mm Rėmo aukštis: 130 mm Ritinių diametras: 50 mm Ritinių atstumas: 100 mm Variklis: W30DT71D4/IS Galia: 0,37 kW Komplektacijoje nėra atramų Papildomai galima įsigyti: Atramos Šoninės kreipiančiosios Individualioms, profesionalioms konsultacijoms susisiekite su mumis telefonu arba el. paštu. Padėsime planuoti ir įgyvendinti Jūsų projektus. Laukiame Jūsų žinutės. Pagarbiai, Dr. Sonntag GmbH & Co. KG Jūsų intralogistikos specialistas ir kontaktinis asmuo. Lodok Abk Iopfx Abkehr

Sąlyga: paruoštas naudoti (naudotas), valdiklių gamintojas: Heidenhain tnc 124, tuščias svoris: 6 000 kg, bendras ilgis: 3 960 mm, bendras plotis: 2 450 mm, bendras aukštis: 2 600 mm, Kiheung Point U3 X: 1200 - Y: 600 - Z: 550 mm CNC Lhodpfsx Impbjx Abkor Längsverfahrweg X-Achse: 1200 mm Querweg Y-Achse: 600 mm Vertikalweg Z-Achse: 550 mm Spannfläche Tisch: 1700 x 470 mm Antriebsleistung Spindel: 7,5 kW Werkzeugaufnahme im Fräskopf (ISO): ISO 50 Drehzahlbereich: 40 – 1620 U/min

Sąlyga: naudotas, Gamybos metai: 2001, Transnorm juostinis kreivinis konvejeris, kairysis GKF 50°-740-550 IR700 RA1948 Techniniai duomenys: Konvejerio ilgis pagal vidurinį spindulį (NL): 851 mm Rėmo plotis (NB): 750 mm Juostos plotis (GuB): 550 mm Konstrukcijos aukštis (BH): 200 mm Vidinis spindulys (IR): 700 mm Transportavimo kampas: 50° laipsnių Atraminės kojos: galima užsisakyti papildomai Konvejerio greitis (V m/s): 0,045–1,3 m/s Pavaros sistema: SEW pavaros variklis Elektros duomenys: 50Hz, v380-500, 0,11 / 0,55 kW, S1 Juosta: dvigubas sluoksnis, žalia, lygi Pagaminimo metai: 2001 Papildomai galima įsigyti: Atramos Šoninis kreiptuvas vienpusis ir dvipusis Kainos nurodytos be PVM, paėmimas iš centrinio sandėlio Dr. Sonntag GmbH & Co KG, 97076 Würzburg Individualiam, profesionaliam konsultavimui susisiekite su mumis. Kreipkitės telefonu arba el. paštu. Mielai padėsime planuojant ir įgyvendinant Jūsų projektus. Laukiame Jūsų užklausos. Lsdpsk Abmqefx Abkshr Pagarbiai, Dr. Sonntag GmbH & Co. KG komanda Jūsų specialistas ir kontaktinis asmuo intralogistikos srityje.

Sąlyga: naudotas, Gamybos metai: 2001, Lippert Belt Conveyor Incline Belt GF 1995-550-400 Reference: RA1656 The Lippert conveyor belt was manufactured in 2001 and is in good (used) condition. The belt conveyor is equipped with a SEW brand motor with MOVIMOT frequency inverter for adjustable speed control. Side guides and/or light barriers can be mounted at additional cost upon request. Support stands are not included in the scope of delivery, but are optionally available upon request. The shown images of the conveyor system were taken while it was still installed in a logistics center. Technical Data: Conveyor length (NL): 1995 mm (feed belt 560 mm + incline belt 1435 mm) Frame width (NB): 550 mm Belt width (GuB): 400 mm Construction height (BH): 105 mm Support feet: optionally available Conveyor speed (v m/s): infinitely adjustable up and down via frequency inverter Drive: SEW geared motor DT80K4/BMG/MM05 Electrical data: 50 Hz V380-500, kW 0.11 / 0.55 / S1 Return roller (UR): Ø = 81 mm Drive drum (AT): Ø = 131 mm Belt: type HSL-8E Year of manufacture: 2001 Incline / decline: adjustable Optional accessories: Support stands Side guides (single-sided and double-sided) Lhsdpfx Abok Abd Tjksr Prices are net plus VAT, ex central warehouse of Dr. Sonntag GmbH & Co KG, 97076 Würzburg For personalized, professional consultation, simply contact us. Please contact us by phone or email. We are happy to assist you with the planning and implementation of your projects. We look forward to hearing from you. Best regards, Your Dr. Sonntag GmbH & Co. KG Team Your specialist and contact partner for intralogistics

Sąlyga: naudotas, Gamybos metai: 2001, Transnorm Belt Curve Conveyor Left-Hand GKF 30°-750-550 IR900 Ljdpfek Aa Unex Abkehr RA1404 The Transnorm belt curve is in good condition (used) and fully operational. It is equipped with a SEW gear motor. Supports are not included in the scope of delivery but are optionally available upon request. Belt curves are frequently used in intralogistics for in-plant transport of unit loads and are indispensable in modern distribution centers. Transnorm belt curves stand out for their performance and reliability. Thanks to a low-tension drive system across the entire belt width, extended operating times are no problem. Tapered drums and a specially designed belt guidance system ensure maximum running smoothness. The pictures shown were taken while the conveyor system was still installed in a logistics center. Technical Data: Model: Belt Curve Conveyor TS 1600-105 Conveying length (center radius - NL): 759 mm Frame width (NB): 750 mm Belt width (GuB): 550 mm Construction height (BH): 210 mm Inner radius (IR): 900 mm Conveying angle: 30° degrees Support legs optionally available Conveying speed (v m/s): 0.03-1.05 m/s Drive: SEW gear motor SA37 DT80K4/MM05/BW1 Electrical data: 50Hz V380-500, kW 0.11 / 0.55 / S1 Belt: double-layer, green, smooth, KT36 Year of manufacture: 2001 Optionally available: - Supports - Side guides Prices are net plus VAT ex central warehouse Dr. Sonntag GmbH & Co. KG, 97076 Würzburg For tailored, professional advice, please feel free to contact us. Contact us by phone or email — we are happy to support you with the planning and implementation of your projects. We look forward to hearing from you. Best regards, Your Dr. Sonntag GmbH & Co. KG team Your specialist and partner for intralogistics

Sąlyga: naudotas, Gamybos metai: 2001, Transnorm Belt Curve Conveyor GKF 1650-750-550 IR600 70° Right RA1441 The Transnorm belt curve is in good (used) condition and is fully functional. It is equipped with a SEW brand gear motor. Supports are not included in the scope of delivery but are available as an optional extra upon request. Ljdpfxek Abaze Abkehr Belt curves are frequently used in intralogistics for in-plant transportation of unit loads and have become indispensable in modern distribution centers. Transnorm belt curves stand out for their performance and reliability. Thanks to low-tension drive across the entire belt width, extended operating periods are no issue. Tapered rollers and a specially developed belt guiding system ensure maximum running smoothness. The images shown of the conveyor system were taken while it was still installed in a logistics center. Technical data: Model designation: Belt Curve Conveyor TS 1600-105 Conveying length (center radius, NL): 1650 mm Frame width (NB): 750 mm Belt width (GuB): 550 mm Build height (BH): 210 mm Inner radius (IR): 600 mm Conveying angle: 70° Support legs: optional Conveying speed (v m/s): adjustable up and down via frequency converter Drive: SEW gear motor SA37 DT80K4/MM05/BW1 Electrical data: 50Hz V380-500, kW 0.11 / 0.55 / S1 Belt: double-layer, green, smooth, KT36 (wear visible in pictures) Year of manufacture: 2001 Special feature/accessories: side guides on both sides included Optionally available: Support legs Prices are net, plus VAT, ex central warehouse Dr. Sonntag GmbH & Co KG, 97076 Würzburg For individual, professional advice, simply get in touch with us. Contact us by phone or by email. We are happy to assist you with the planning and implementation of your projects. We look forward to hearing from you. Best regards, Your team at Dr. Sonntag GmbH & Co. KG Your specialist and contact for intralogistics.

Sąlyga: naudotas, Gamybos metai: 1997, Transnorm Belt Curve Conveyor Left 90°-750-550-IR900 RA2007 Belt curve conveyors are widely used in intralogistics for the internal transport of unit loads and are indispensable in modern distribution centers. Transnorm belt curve conveyors excel in performance and reliability. With a low-tension drive across the entire belt width, they are designed for long service life. Tapered drums and a specially developed belt guiding system ensure maximum smooth operation. Technical data: Type designation: Belt Curve Conveyor Frame width (NB): 750 mm Belt width (GuB): 550 mm Motor height (MH): 480 mm Overall height (BH): 210 mm Inner radius (IR): 900 mm Conveying angle: 90° Conveying speed (v m/s): please inquire Drive: SEW gear motor Electrical data: 50Hz V230/400, kW 0.55 /S1 Belt: KT58 (to be replaced upon delivery) Year of manufacture: 1997 Optionally available: Supports Side guides (single-sided or double-sided) Frequency inverter Prices are net plus VAT, ex central warehouse of Dr. Sonntag GmbH & Co KG, 97076 Würzburg If you require different dimensions or need individual, expert advice, please do not hesitate to contact us. Contact us by phone, email, or use our website filters. Lhjdsk Abtlepfx Abksr We are happy to support you with the planning and implementation of your projects. We look forward to hearing from you. Best regards Your team at Dr. Sonntag GmbH & Co. KG Your specialist and contact partner for intralogistics