 |
 |
 |
|
      
Buy the DOT: Download
TITLE(s): TWITCHELL OPERATOR (chemical) Tends vats in which fats or vegetable and animal oils are processed into glycerin and fatty acid: Pumps specified amount of fat or oil into vat and admits prescribed quantity of sulfuric acid from storage tank. Observes gauges and thermometer and turns steam valves to boil contents of vat. Pumps oil or fat to second vat and adds specified amount of distilled water and Twitchell's reagent. Starts agitator in vat and turns steam valves to boil mixture for prescribed time. Observes mixture through sight glass in pump line and turns valves to transfer fractions of product having different color and density to respective storage tanks. Records shift production, materials used, and heating and agitating time. GOE: 06.04.11 STRENGTH: L GED: R2 M2 L2 SVP: 3 DLU: 77 ONET CROSSWALK: 92938 Chemical Equipment Tenders | |||||||||||||||||||||||||||||||||||
- Dictionary of Occupational Titles (DOT) Index
- Standard Industrial
Classifications (SIC) Index
- Occupational Information Network (ONET) Index
- US Census Statistical Tables
- China Statistical Tables
- World
Facts
- Quick Maps (for your web site)
- Flags of All Countries (for your web site)
- Digraphs
- Internet Country Codes
- Airport Codes
- Seaport Codes
- About Climate (+ Glossary)
- Immigration Superhighway
- ITA Main Page
. Feedback
 
|
||
Language Translations | | Espaρol | Children | Lawyers | E-mail "Immigration Superhighway", "Immigration Central", "Immigration Assistant", "Immigration Expert", "Immigration Expert Pro" and "Immigration USA" are trademarks of Information Technology Associates.
© 1995 - 2015 Photius Coutsoukis and Information
Technology Associates (All Rights Reserved).
|
