Millions of viewers saw how a geyser fed by a broken pipe flooded UCLA last July, but few have heard how a dozen city welders used string, math, clay and white-hot metal to restore water service. One ...
Oakum is a loosely twisted rope-like material made from oiled jute or hemp fibers. Traditionally manufactured in prisons or workhouses by disassembling old rope lengths and rubbing the strands with ...
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