Job Title: Rotary-Kiln Operator

Rotary-Kiln Operator Duties: Controls rotary type kilns and auxiliary equipment, such as conveyors, feeders, and dust collectors, to calcine chemicals, raw ground stone, gypsum, slate, or clay or cement slurry: Lights burners, starts equipment to feed materials, and moves controls to rotate kiln drum, start dust collecting mechanism, and regulate damper. Observes color and shape of flame, monitors gauges, and moves controls to regulate feed of fuel to maintain specified temperature. Records data, such as kiln temperature, fuel consumption, and power consumed. Inspects kiln for accumulation of clinkers and deterioration of lining. May fire tripod-mounted shotgun to blast clinkers from kiln wall. May tend cooler mechanism. May tend grinders and vibrating screens to pulverize and size product prior to calcining.

Job Title: Edging-Machine Feeder

Edging-Machine Feeder Duties: Feeds and regulates machine that smooths edges of automobile window glass.

Job Title: Line Maintainer

Line Maintainer Duties: Installs, maintains, and repairs telephone and telegraph and electrical power lines between installations of industrial plant: Directs workers in setting poles. Climbs poles and installs hardware, lightning arresters, telephone repeaters, telephone and telegraph wires, and other equipment [Line Installer-Repairer (tel. & tel.)]. Installs electrical power cables and auxiliary equipment [Line Erector (construction; utilities)]. Makes repairs and replacements to maintain lines. May be designated according to area of operations as Line Maintainer, District (any industry).

Job Title: Banding-Machine Operator

Banding-Machine Operator Duties: Sets up and operates machine that applies bands of gold, platinum, or color glaze onto rim or surfaces of ceramic ware: Selects chuck to accommodate type of ware to be banded and attaches it to machine. Adjusts band applicator rollers and arm attachments according to width and location of band to be applied on ware. Pours premixed liquid gold or platinum into roller fonts. Positions ware in chuck and starts machine. Removes ware from machine.

Job Title: Identifier, Horse

Identifier, Horse Duties: Verifies identification of horses at receiving barn of racetrack: Checks identifying features, such as tattooed registration number on lip and physical appearance with official records and photographs to ensure only horses scheduled to race are permitted in paddock. Releases identified horses to handlers for transfer to paddock for saddling. Notifies track officials when doubt exists as to horses’ identity. Records physical changes in horses, such as weight increase or scar received since last inspection, to keep identification records current.

Job Title: Coagulation Operator

Coagulation Operator Duties: Controls equipment, such as coagulation tanks, soap conversion tanks, leach tanks, filters, screens, hammer mills, and pneumatic conveyors to coagulate synthetic rubber latex into rubber crumb slurry and to prepare rubber crumbs for finishing processes: Turns valves, starts feed pumps, and adjusts flow-controlling and proportioning devices in supply lines to control flow of latex and of solutions to creaming and coagulating tanks. Adjusts recirculating pumps to control overflow of creamed latex to coagulating tank and of coagulated slurry to soap conversion tank to convert soap to fatty acid and extract fatty acid. Regulates tank stirring mechanisms to mix contents and controls temperatures and acid concentration by automatic recorder-controllers. Observes appearance of crumbs through sight glasses and regulates operation of filters, shaker screens, and hammer mills to remove moisture from and pelletize rubber crumbs for finishing processes. Records data on coagulation logsheets. May prepare brine, acid, and other solutions used.

Job Title: Tire Mounter

Tire Mounter Duties: Assembles hard rubber tires and wheel rims for articles, such as lawn mowers and baby carriages: Places rubber tire into jaws of spreading device and depresses pedal to close jaws and stretch tire. Positions wheel rim on spindle mandrel at center of tire. Pushes button to open jaws that release tire onto rim and removes wheel from spreading device.

Job Title: Air And Hydronic Balancing Technician

Air And Hydronic Balancing Technician Duties: Inspects, tests, adjusts, and balances heating, cooling, and ventilating systems in residential, commercial, and industrial buildings, using specialized tools and test equipment, to attain performance standards specified in system design: Studies system blueprints, specifications, and performance data to determine configuration and purpose of system components, such as motors, pumps, fans, switches, ducts, or pipes. Discusses system malfunctions with users to isolate problems. Inspects system to verify system compliance with plans and specifications and to detect malfunctions in system component parts. Adjusts system controls to settings recommended by vendor to prepare to perform tests. Tests performance of air and hydronic systems, using specialized tools and test equipment, such as pitot tube, manometer, anemometer, velometer, tachometer, psychrometer, and thermometer, to isolate problems and determine where adjustments are necessary. Opens or closes louvers in system ductwork or adjusts flow control valves in piping to balance system, using handtools such as pliers, screwdriver, or wrenches. Discusses system operation with users to verify that malfunctions have been corrected.

Job Title: Return-To-Factory Clerk

Return-To-Factory Clerk Duties: Records information pertaining to merchandise to be returned to manufacturer because of defects, wrong amount, or type: Examines and compares merchandise with original requisition to record information, such as quantity, type of defects, and date on invoice or other forms. Prepares invoices and other forms for all returned goods. May type letters or information on records to explain reason for returned goods. May compile and file list of merchandise handled.

Job Title: Cloth-Washer Operator

Cloth-Washer Operator Duties: Tends machines that wash or treat cloth with chemicals preparatory to or after processes, such as bleaching, dyeing, printing, and finishing: Pushes truck of cloth into feeding position or mounts roll of cloth on shaft at feed-end of machine. Sews end of cloth to leader in machine, using portable sewing machine. Turns valves to admit water, detergents, caustic, acids, steam, or other chemicals into washing tanks according to specifications. Starts machine and observes flow of cloth through machine to detect tears in cloth. Stops machine, disentangles tear-outs, and knots selvages of torn cloth by hand. Tests solutions in washing tanks by titration or using litmus paper or hydrometer. Adds water, detergents, or chemicals to washing tanks to dilute or strengthen solutions as indicated by tests. May be designated according to chemicals used in washing tanks as Acid-Washer Operator (textile); Naphthol-Soaping-Machine Operator (textile); according to objective of washing as Cloth Neutralizer (textile); or according to type of cloth as Back-Gray-Cloth Washer (textile). May tend machines consisting of series of tanks that process cloth in open-width or rope form. Important variables may be indicated by trade names of machines used.