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Quarrying

Over the millennium, people mined rock and other minerals. In the stone age, people looked for flint to create hammers, cutting tools, scrapers, and hand axes. Egyptians sawed and drilled rock. The Romans also cut stone and used a technique called plugging and feathering. The United States has thousands of quarries – usually a dip pit, where workers excavate rock and stone. Common products of quarries include granite, crushed stone, marble, gravel and sand. The pits are close to the surface.

Williams JHWWS-474 Adjustable Hook Spanner Wrench 4 Piece Set

A spanner wrench is a hand tool used to tighten or loosen pipe fittings as well as large bolts and nuts. It has a U-shaped jaw with teeth that fit into the grooves of the fastener, allowing for grip and torque to be applied. They come in various sizes and designs, such as adjustable spanners, ratcheting spanners, and combination spanners.

Crowfoot wrenches are a type of hand tool used for tightening or loosening bolts and nuts. They have an open-loop design, similar to an open-end wrench, but with a much smaller profile. The small size allows access to tight spaces or hard-to-reach fasteners where a standard wrench won't fit.

Primary Metals Industry

The primary metals industry works with iron ore to manufacture products from hot metal, including casting molten metal into shapes and refining metals. The end products include aluminum bars, hot and cold steel, tubes, metal parts, plates and sheets. The end products are used in various industries, including those that manufacture construction steel, machinery, aircraft, metal containers and motor vehicles.