Job Descriptions

Block-Splitter Operator Job

1. Tends machine that splits wood blocks to size, preparatory to grinding: Starts machine and conveyor system. 2. Depresses pedal to stop and start conveyor to move block in front of wedge-shaped splitting ram. 3. Positions one end of block against steel backstop and opposite end in splitting position against …





Block-Press Operator Job

1. Tends hydraulic press that compresses smokeless powder into block form for further processing: Charges press, using colloidal smokeless powder. 2. Closes compression chamber and opens valves to compress powder. 3. Removes block from chamber. 4. May be designated according to pressing stage as Final-Block-Press Operator; Preliminary-Block-Press Operator.

Blocking-Machine Tender Job

1. Tends blocking machine that seals optical or ophthalmic lens blanks in metal blocks preparatory to grinding and polishing of lenses: Applies lacquer to lens blank, using spray gun or brush. 2. Mounts lens and block in blocking machine, aligns marks on lens blank and block, and clamps lens and …

Blocker, Metal Base Job

1. Operates machines to cast blocks of type metal, mill blocks to specified size, and bond blocks to printing plates: Fills melting pot of stereotype casting machine with bars of metal alloy and sets thermostatic control. 2. Tightens clamps on casting box cover and raises casting box to vertical position. …

Blocker, Hand Ii Job

1. Presses caps or hats over heated hat blocks, by hand or with electric iron, to shape, smooth, or finish articles by any combination of following methods: Turns dial or handle on metal block to heat block and fits article over block. 2. Presses, pulls, and rubs article by hand …

Blocker, Hand I Job

1. Shrinks felt cones to size and shapes cones to form unfinished hat bodies: Immerses cone in hot water, places cone in steam cabinet, or holds cone over steam jet, to shrink and soften cone. 2. Positions softened cone over heated head-shaped block. 3. Presses and rubs cone to smooth …

Blocker, Hand Job

1. Affixes precision optical or ophthalmic lens blanks in metal blocks used to hold blanks during grinding and polishing operations: Selects blocks according to size of lens blank and heats blocks or lenses over gas burner to prepare for adherence of pitch or wax. 2. Pours molten pitch into block, …

Blocker, Automatic Job

1. Tends machine that conveys flat glass or mirrors under polishing and cleaning heads to polish and clean glass surface: Mixes polishing compound according to formula and pours compound into storage tank. 2. Feeds glass or mirrors onto conveyor of machine. 3. Pushes button to start machine and pulls lever …

Blocker I Job

1. Operates machines to mount finished stereotype and eletrotype printing plates on wood, synthetic, or metal blocks, and to trim, square, and smooth edges of mounted plates: Places plates face up on flat metal surface and taps plates with hammer and wooden block to straighten irregularities due to warping or …

Blocker And Polisher, Gold Wheel Job

1. Trues, blocks, and polishes gold watch wheels, using handpress, block adhesive, and polishing stones: Flattens wheel, using handpress. 2. Blocks wheels in recess of disk-shaped block, using adhesive. 3. Rubs wheel on wet stone to rough polish wheel. 4. Applies polishing compound to steel block and rubs wheel on …

Blocker And Cutter, Contact Lens Job

1. Blocks contact lens blanks and cuts lenses to specified diameter, using jeweler’s lathe and handtools: Immerses laps I in molten wax and embeds lens in wax or presses two-faced adhesive tape into depression of lap, using rounded tool, and affixes lens to tape. 2. Trims excess tape, using knife. …

Blocker Job

1. Tends machine that automatically fastens cardboard disks to sides of core or tube to form reel: Places bottom half of disk on machine bed. 2. Places filled roll of ribbon on disk, and top half of disk on roll. 3. Trips pedal to bring hammer down and press disk …

Block-Breaker Operator Job

1. Feeds equipment that breaks up cakes of dehydrated nitrocellulose to facilitate subsequent mixing and packing processes: Feeds nitrocellulose cakes into hopper of electrically powered cylinder fitted with spikes that break up cakes. 2. Removes nitrocellulose for further processing and packing. 3. May monitor scale to determine when specified amount …

Block Maker Job

1. Molds lead blocks to be used as shields in radiation therapy treatments: Lays out x-ray film taken of patient in treatment position and tapes film over grid on lighted table. 2. Sets distances on mold cutting machine, duplicating distances from which x ray was taken. 3. Calculates required thickness …

Block Inspector Job

1. Observes wooden match blocks passing on conveyor and removes those containing pitch pockets, faulty grain, and knots.

Block Feeder Job

1. Feeds wooden blocks into machine that cuts blocks into match sticks: Splits blocks into specified lengths, using hatchet. 2. Places blocks grain up on machine feed table and pushes blocks into feed rollers.

Blindstitch-Machine Operator Job

1. Operates blindstitch sewing machine to join fabric layers, or attach tape or parts to garment, with stitching that does not penetrate to outer surface of garment. 2. Adjusts machine for depth of needle penetration, depending on fabric. 3. Performs duties as described under SEWING-MACHINE OPERATOR, REGULAR EQUIPMENT Master Title. …

Blind-Slat-Stapling-Machine Operator Job

1. Tends machine that drives staples in edges of blind slats and attaches stapled slats to slide rods: Adjusts and sets stop and ratchet, and lays rod in position under stapler head. 2. Places slat under stapler and moves lever to drive staples into slat and hold slat to rod. …

Blending-Tank Tender Job

1. Tends equipment to blend citrus fruit juices: Opens valves to permit juices to flow from extractor machines to holding tanks. 2. Fills blending tanks with required amounts of specified juices. 3. Turns on mechanical agitators in blending tanks to mix contents, and pumps mixture to deoiling and pasteurizing machines.

Blending-Line Attendant Job

1. Tends conveyors and machines that blend various types and varieties of tobacco with domestic blends of tobacco: Starts conveyors to move continuous flow of tobacco under blenders to feeders that add specified types of tobacco, through ordering cylinder, overflow scales, and onto final blending belt. 2. Sets timers to …

Blender-Machine Operator Job

1. Tends blending machine that mixes salt with coarse-grained margarine to produce finished product: Weighs specified amount of kneaded margarine and shovels it into open top of blender. 2. Adds specified amount of salt. 3. Starts paddle of blender to mix ingredients. 4. Tips mixing bowl and shovels margarine into …

Blender Laborer Job

1. Moves leaf tobacco loaded on dollies to blending line from storage room in tobacco processing plant: Observes workers feeding tobacco onto blending conveyor to determine when supply of tobacco needs replenishing. 2. Reads grade on card above worker and locates same grade in storage area. 3. Pulls dolly loaded …

Blender Ii Job

1. Tends equipment that blends batches of smokeless powder to obtain final product having uniform ballistic properties: Moves levers in control room to activate rotation equipment or to transfer powder repeatedly between top and bottom bins to effect thorough mixing. 2. Opens vent in bottom bin to dump powder into …

Blender I Job

1. Tends machine that blends batches of flushed colors derived from coal tar hydrocarbons: Dumps specified flushed pigments or dyes into tub of machine, using hoist. 2. Adds specified chemicals to batch according to product specifications. 3. Starts agitator to mix ingredients for specified time. 4. Turns valves to pump …

Blender Job

1. Tends machine that blends flour: Loads pallets with sacks of specified flour and transports them to blending machine, using truck. 2. Dumps flour from sacks into machine hoppers. 3. Holds sack over suction bag-cleaning device to remove remaining flour dust. 4. Starts blender and turns dials to regulate speed …