Richards said that China landing on the moon signals a new era of human expansion into space. I hope the U.S. and others return to the moon as a frontier of peaceful international exploration and economic development, he said.
Slip Rolls, Plate Rolls & Combination Machines. Slip rolls or plate rolls are designed to form sheet metal into curved panels or cylinders. These sheet metal rollers are available as manually operated or powered, and many include wire grooves for bending solid rod.
Slipform stonemasonry is a method for making stone walls with the aid of formwork to contain the rocks and mortar while keeping the walls straight.tonemasons use a wide variety of tools to handle and shape stone blocks (ashlar) and slabs into finished articles. The basic tools for shaping the stone are a mallet, chisels, and a metal straight edge.