The Navy Civil Engineer Corps is responsible for large-scale construction and public works projects, and engineer candidates are required to display leadership and supervisory skills. The Corps is ...
With all cutting operations involving concrete, bricks or stone, there is a real danger of injury from flying scalpings. ALWAYS wear protective goggles/glasses, and when cutting with a power saw wear a dust mask and use water suppression. Power saws are lethal in the wrong hands.
The most basic tool for a miller was the quern-stoneâsimply a large, fixed stone as a base and another movable stone operated by hand, similar to a mortar and pestle. As technology and millstones (the bedstone and rynd) improved, more elaborate machines such as watermills and windmills were developed to do the grinding work.