- Settore: Government; Labor
- Number of terms: 77176
- Number of blossaries: 0
- Company Profile:
A professional who tends portable concrete-mixing machine and handcasts ornamental and structural concrete building products, such as blocks, colored tile, simulated-brick facings, fireplace units, and reinforced roof and floor sections. Respnsibilities include:
* Shovels sand, cement, gravel, or pumice into mixing machine.
* Adds water and pigments as instructed and starts machine.
* Dumps mix into wheelbarrow and pushes to casting room.
* Brushes casting oil on molds to prevent adhesion of concrete.
* Casts products by any of following methods:
** (1) Places molds on vibrating table, shovels mix into molds, starts vibrator to settle concrete or pumice, levels surface of mix with wood bar, and carries filled molds to curing racks.
** (2) Shovels mix into floor molds and sets reinforcing steel rods into mix to cast fireplace, roof, or floor sections. Dismantles forms after concrete has cured, using pry bar and wrench.
** (3) Places bricks into mold and pours concrete over bricks to form solid block.
* Sets reinforcing rods in mix and clamps mold shut.
* Removes forms after blocks are cured by releasing clamps or disassembling mold, using pry bar and wrench.
* May be designated according to product cast as brick veneer maker; cement-tile maker.
Industry:Professional careers
A professional who tends portable concrete-mixing machine and handcasts ornamental and structural concrete building products, such as blocks, colored tile, simulated-brick facings, fireplace units, and reinforced roof and floor sections. Respnsibilities include:
* Shovels sand, cement, gravel, or pumice into mixing machine.
* Adds water and pigments as instructed and starts machine.
* Dumps mix into wheelbarrow and pushes to casting room.
* Brushes casting oil on molds to prevent adhesion of concrete.
* Casts products by any of following methods:
** (1) Places molds on vibrating table, shovels mix into molds, starts vibrator to settle concrete or pumice, levels surface of mix with wood bar, and carries filled molds to curing racks.
** (2) Shovels mix into floor molds and sets reinforcing steel rods into mix to cast fireplace, roof, or floor sections. Dismantles forms after concrete has cured, using pry bar and wrench.
** (3) Places bricks into mold and pours concrete over bricks to form solid block.
* Sets reinforcing rods in mix and clamps mold shut.
* Removes forms after blocks are cured by releasing clamps or disassembling mold, using pry bar and wrench.
* May be designated according to product cast as brick veneer maker; cement-tile maker.
Industry:Professional careers
A professional who tends machines that sift and mill powdered rouge for use in polishing lenses. Respnsibilities include:
* Loads hopper of sifter with rouge powder and starts machine to separate coarse from fine particles.
* Fabricates paste for polishing lenses, using mill to reduce particle size.
* May fill containers with rouge paste or powder for shipment.
Industry:Professional careers
A professional who tends machines that sift and mill powdered rouge for use in polishing lenses. Respnsibilities include:
* Loads hopper of sifter with rouge powder and starts machine to separate coarse from fine particles.
* Fabricates paste for polishing lenses, using mill to reduce particle size.
* May fill containers with rouge paste or powder for shipment.
Industry:Professional careers
A professional who tends stationary pump in pneumatic conveyor system that conveys fine-ground raw materials or finished cement from one bin to another preparatory to further processing. Respnsibilities include:
* Pushes levers to start pump, air compressor, and other conveying equipment.
* Observes pressure dials on pump that indicate operating condition of conveyor.
* Makes minor repairs to pump to correct faulty operation.
* Oils and greases equipment.
* May pump bulk cement from unloading bins into tank trucks, railroad cars, and boats.
* May tend mobile pump.
Industry:Professional careers
A professional who tends stationary pump in pneumatic conveyor system that conveys fine-ground raw materials or finished cement from one bin to another preparatory to further processing. Respnsibilities include:
* Pushes levers to start pump, air compressor, and other conveying equipment.
* Observes pressure dials on pump that indicate operating condition of conveyor.
* Makes minor repairs to pump to correct faulty operation.
* Oils and greases equipment.
* May pump bulk cement from unloading bins into tank trucks, railroad cars, and boats.
* May tend mobile pump.
Industry:Professional careers
A professional who tends machine that removes silver, copper, and paint from defective mirrors. Respnsibilities include:
* Weighs specified amount of caustic soda and pours into storage tank.
* Starts conveyor, washer, and drier unit and turns valves to admit water, acid, and caustic soda into spray pipes or tank.
* Places mirror on conveyor that carries mirror through caustic soda and water sprays, acid tank, and washing and drying units.
* Reads gauge and turns valve to regulate temperature to prevent soda from boiling over.
Industry:Professional careers
A professional who tends machine that cuts columns of extruded clay and shale into brick and stacks layers of brick onto kiln cars for firing. Respnsibilities include:
* 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 of brick on platform of machine.
* Depresses button to activate hydraulic pickup head of machine that picks up layer of brick from platform and stacks brick on kiln car.
* Straightens uneven brick on stack, using hands.
* Clears jammed conveyor and machine, using metal bar and scraper.
* Discards broken columns of clay and shale or damaged brick onto conveyor for recycling.
* Activates control on panel board to tie (set at right angles) two top layers of brick on kiln car.
* Replaces broken cutter wires on machine cutter, using handtools.
* Dusts conveyor, cutter, and pickup head, using airhose.
* Oils and greases specified parts of machinery, using oilcan and grease gun.
Industry:Professional careers
A professional who tends machine that cuts columns of extruded clay and shale into brick and stacks layers of brick onto kiln cars for firing. Respnsibilities include:
* 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 of brick on platform of machine.
* Depresses button to activate hydraulic pickup head of machine that picks up layer of brick from platform and stacks brick on kiln car.
* Straightens uneven brick on stack, using hands.
* Clears jammed conveyor and machine, using metal bar and scraper.
* Discards broken columns of clay and shale or damaged brick onto conveyor for recycling.
* Activates control on panel board to tie (set at right angles) two top layers of brick on kiln car.
* Replaces broken cutter wires on machine cutter, using handtools.
* Dusts conveyor, cutter, and pickup head, using airhose.
* Oils and greases specified parts of machinery, using oilcan and grease gun.
Industry:Professional careers
A professional who tends equipment that automatically unloads brick from kiln cars after firing. Respnsibilities include:
* 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 area.
* Depresses buttons to stop equipment when rows of brick are unevenly stacked, damaged bricks are detected, or jamming or other malfunctions occur.
* Replaces damaged bricks and straightens rows.
* Removes jammed bricks, using iron bar.
* May unload stacked bricks from conveyor, using hydraulic ram.
* May manually remove rows of stacked brick to create tine course (open spaces) to facilitate handling by forklift during packaging.
Industry:Professional careers
