Del Williams is a technical writer based in Torrance, California. He writes about business, technology, health and educational issues, and has an M.A. in English from C.S.U. Dominguez Hills.
Sunday, 29 Oct 2017 | by Del Williams
In mines, quarries, and aggregate bulk processing, large steel structures like hoppers that are used to store and dispense vast volumes of ore, rock and gravel are often subjected to […]
