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Web24 nov. 2024 · Whenever any components containing porcelain were identified as cracked or punctured and no longer of use on the network, the ceramic material was separated from metallic hardware and recycled into building components. Metal fittings and any lead from these units were sold to local scrap dealers. Web3 jun. 2024 · Advertisement. The basic manufacturing technologies for porcelain insulators have changed little in decades even though production equipment such as ball mills, extruders, lathes, dryers and kilns have been progressively improved for higher productivity, greater automation as well as reduced waste and energy input. short course meter pool
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