To use this set, you can first set up each machine on a stable surface. The drill press is great for making holes in various materials. Just place your workpiece firmly and adjust the drill bit. The vertical milling machine can be used to shape and cut materials precisely. Make sure to measure and mark your workpiece accurately before starting. The metal - cutting band saw is for cutting metal pieces. Keep your hands away from the blade and always wear safety goggles. The shaper is useful for creating flat surfaces or cutting grooves. And the surface grinder helps to get a smooth finish on your workpieces. As for maintenance, clean the machines regularly after use to prevent dust and debris from building up. Check the moving parts for any signs of wear and tear. Lubricate them as needed to keep them running smoothly. Store the set in a dry place to avoid rusting.