San Francisco : Architect and Engineer, Inc · leaf 66
ins; Repairing.Annealing and Normalizing Hoisting Chains. 3. Safe Use of Chemicals in Industry: Safetyin Chemical Laboratories; Safe Handling of Acidsand Caustics (Small Quantities); Safe Handlingof Acids (Large Quantities). 4. Handling Materials: Handling Materials byHand: Conveyors—Their Safe… … TAKE YOUR CLIENTS OUT OF THECELLAR! A home owner, sitting on the bottomstep, coaxing along an obdurate furnace,often has sinister thoughts about his heatingplant. If his heating plant works well, it is nomore than he expected. If he has to fight hisfurnace he blames everyone. Specify a Johnson Oil…
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