1. Tends equipment to dry, mix, and compress copper fines into briquettes for use by smelter: Starts belt conveyors that automatically feed mixture from wet-bin hopper to heated rotary dryer. 2. Turns valve to set burner at specified temperature. 3. Tests moisture content of mixture by feeling with fingers. 4. …
1. Tends machine that automatically forms ore mixture or chemical compounds into briquettes: Shovels mix into feed hopper and pokes out feed chutes, using rod, to prevent jamming of material as it flows to briquetting rollers and to rotary drier. 2. Turns valves to maintain vacuum pressure in drier within …
1. Assists BRIQUETTE-MACHINE OPERATOR in dehydrating, pulverizing, mixing, and molding ingredients to produce fuel briquettes: Inserts suction hose into opening in top of tank trucks and starts motor to transfer powdered charcoal, coal, or coke from truck to storage. 2. Shovels or dumps sacked briquette ingredients into hoppers. 3. Scrapes …
1. Tends vacuum screen that screens magnesium liquor and briquette press equipment that presses screened residue to form briquettes of periclase: Flips control panel switches to start multilevel arrangement of vacuum screen feeder wheel, vacuum screen hearth kiln, and briquette press. 2. Observes vacuum screen feeder wheel to verify that …
1. Tends equipment to make frozen stick confections, performing any combination of following tasks: Positions mold pan under filler spouts and presses pedal to fill pan with ice cream, fruit juice, or syrup mix. 2. Places tray against machine and pushes levers to insert and lock sticks in tray slots. …
1. Immerses fresh fish fillets in brine solution to condition them for wrapping or freezing: Places fish fillets in wire basket and submerges basket in salt and water solution for specified time. 2. Removes basket from brine tank and dumps fillets on conveyor belt.
1. Tends machine that stretches lower part of unfinished hat body to form brim: Immerses hat bodies in hot water to soften material preparatory to stretching. 2. Moves lever to adjust angle of metal ribs under hat-shaped block of machine to control specified brim width and crown height. 3. Slips …
1. Tends machine that abrades felt hat brims to smooth brims and remove excess fibers: Positions hat in guide between feed and sanding rollers of machine. 2. Depresses pedal to start machine that forces brim against abrasive cone, removing excess fibers and smoothing brim. 3. Removes hat from machine, inverts, …
1. Tends one or more machines that press unfinished hat bodies to smooth and shape hats: Positions inverted hat body in specified size heated form, mounted in bed of press. 2. Pulls lever to lower ram and automatically inflate hat body to shape body and brim against form. 3. Removes …
1. Tends one or more sewing machines that automatically sew circular row of stitches on hat brims to reinforce and decorate brims: Turns screw to position guide on bed of machine. 2. Inserts hat brim into guide, under presser foot and needle. 3. Performs duties as described under SEWING-MACHINE OPERATOR, …
1. Presses felt-hat brims to smooth, curl, and shape brim, using hand iron: Sets hand iron on heated plate to heat iron. 2. Places cardboard protector ring over crown to protect sides from hot iron. 3. Moistens brim, using damp sponge. 4. Lifts iron from heated plate, inserts hat brim …
1. Tends machine that presses and curls brims of fiber helmets: Inserts crown of helmet in lower die on bed of machine. 2. Pushes button or lever that raises and presses die and helmet against upper die to curl brim. 3. Pulls or presses button lever to lower die and …
1. Cuts and polishes facets, table, and culet on diamonds, using table-mounted polishing plate: Mixes bort, starts motor that spins plate, applies bort to plate with fingers, and presses leather strap against plate to work bort into surface. 2. Positions diamond in cup of dop and aligns dop in holding …
1. Cuts layer of metal from walls of settings and other surfaces of jewelry articles to reveal bright inner metals: Clamps article in chuck preparatory to cutting. 2. Lubricates cutting tool and pushes tool over surface to remove specified layer of metal.
1. Controls horizontally and vertically adjustable bridge, between wharf and scow lashed to wharf, to allow railroad cars to be driven from land to scow: Moves bridge controls to extend and align bridge tracks with tracks on barge. 2. Controls vertical movement of bridge in accordance with sinking of scow …
1. Lays building materials, such as brick, structural tile, and concrete cinder, glass, gypsum, and terra cotta block to construct or repair walls, partitions, arches, sewers, and other structures: Measures distance from reference points and marks guidelines on working surface to lay out work. 2. Spreads soft bed of mortar …
1. Tends equipment that automatically unloads brick from kiln cars after firing: Depresses buttons on control panels to activate equipment that moves loaded kiln cars along rails into unloading position, lowers hydraulic pickup head that lifts stacks of brick from kiln car onto conveyor, and conveys brick to subsequent processing …
1. Fabricates brick and tile samples and tests samples for conformance to strength specifications: Starts machines that grind, sift, and mix clay. 2. Molds brick and tile samples, using mold, hand rammer, and trowel. 3. Places models in kiln burner and turns switches or valves to heat kiln to specified …
1. Tends machine that cuts columns of extruded clay and shale into brick and stacks layers of brick onto kiln cars for firing: Depresses buttons on panel board to start conveyor that moves columns of clay and shale from extruder through cutter that cuts column into brick and assembles layer …
1. Sorts briar-wood blocks used in making pipe stummels, using metal gauge: Removes briar-wood block from bin and compares block with metal gauge to determine size classification of block. 2. Tosses block into specified burlap bag, according to shape and dimensions of block. 3. Discards scrap briar-wood.
1. Off bears and breaks veneer sheets discharged from rotary lathe into specified lengths or at points of imperfection, such as holes, splits, and discolorations. 2. Discards waste veneer into handtruck or onto conveyor that carries it to hog mill for grinding into fuel wood.
1. Tends machine that breaks scored sheets of chewing gum into tablet size pieces. 2. Starts machine and empties trays of scored gum sheets into revolving drum of machine. 3. Inserts wire mesh basket into opening of machine to collect and withdraw gum tablets.
1. Tends machine that agitates hats after blocking to render material soft and pliable: Places hats in chamber of machine and starts rotation of paddle arms that toss hats about until material becomes pliable. 2. Stops machine after specified time and removes hats for further processing.
