Practical Safety Methods and Devices, Manufacturing and Engineering

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D. Van Nostrand Company, 1916 - 434 стор.
 

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Сторінка 311 - It shall be unlawful for any person to place or carry in or upon a vehicle containing explosives any exploders, detonators, blasting caps or other explosive material, or to carry in or upon any such vehicle any matches or any mechanical device for producing spark, flame or heat.
Сторінка 314 - Should any package of high explosives when offered for shipment show excessive dampness or be moldy or show outward signs of any oily stain or other Indication that absorption of the liquid part of the explosive is not perfect, or that the amount of the liquid part is greater than the absorbent can carry, the package must be refused in every Instance. The shipper must substantiate any claim that a stain is due to contact with material other than the liquid explosive ingredient of an explosive.
Сторінка 316 - Many explosives are readily fired by a blow or by the spark produced when two pieces of metal or a piece of metal and a stone come violently together. In clearing a wreck, therefore, care must be taken not to strike fire with tools, and in using the crane or locomotive to tear the wreckage in pieces the possibility of producing sparks must be considered. With most explosives thorough wetting with water practically removes all danger of explosion by spark or blow; but with the dynamites wetting does...
Сторінка 22 - The efficiency of a riveted joint is the ratio of the strength of the joint to the strength of the solid plate.
Сторінка 314 - ... from sparks. A car with a roof generally decayed, even If tight, must not be used. (5) The doors must shut so closely that no sparks can get in at the joints, and, when necessary, they must be stripped. The stripping for doors should be on the inside and be fastened to the door frames where it will form a shoulder against which the closed doors are pressed by means of wedges or cleats in door shoes or keepers. The openings under the doors should be similarly...
Сторінка 311 - Every vehicle while carrying explosives shall display upon an erect pole on the front end of such vehicle and at such height that it shall be visible from all directions a red flag with the word " danger " printed, stamped or sewed thereon in white letters.
Сторінка 212 - CAUTION: When handling molten metal, wire ropes and chains should be 25% stronger than indicated in table. NOTE: The safe loads in table are for each SINGLE rope or chain. When used double or in other multiples the loads may be increased proportionately. PLOW STEEL WIRE ROPE Dia. When used straight When used ut 60° angle When used at 45° angkWhen used at 30° angie (6 strands of 19 or 37 wires) 1...
Сторінка 29 - For other types and new designs, fusible plugs shall be placed at the lowest permissible water level, in the direct path of the products of combustion, as near the primary combustion chamber as possible.
Сторінка 311 - A wagon carrying explosives shall be drawn by a horse or horses amply able to draw the load and avoid stoppages other than to load and unload, and no unnecessary stops or stands shall be made.
Сторінка 362 - ... special rooms for eating, separate wardrobes for street and work clothes, and frequent, nonhazardous cleansing of the clothing. 11. Immediate report of symptoms of indisposition, attention to wounds of the skin caused by the handling of corrosive materials, the speediest employment of an unexceptionable antidote giving promise of success at the very first symptoms of poisoning, with the simultaneous summoning of a physician.

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