VOCABULARY & PHRASEOLOGY Metal working anvil blacksmith hammer metalsmith molten metal ore press pure form raw material to extract base metal to extract ore to give shape to punch to smelt milling grinding shearing sawing machine die casting hot forging plasma welding cold rolling plasma cutting laser beam welding cold forging brazing 3D printing Cutting abrasive bandsaw edge electric discharge machine lathe machine specification turning water jet machine workpiece to add / erode / remove material to burn / melt / vaporise material to cut through metal to sharpen Joining Forming drawing mandrel metal sheet / tubing movable / stationary blade powder forming shearing sintering tensile force to bend to clamp to spin to stretch metal 210 MECHANICS 3D printing additive manufacturing dispenser extruder hot end fused filament fabrication microcontroller nozzle plate printer robotic arm to extrude liquified plastic material to fuse / melt plastic material arc autogenous / dissimilar welding bonding brazing consumable welding electrode electric welding arc electrode filler fusion welding laser beam arc rod soldering welding to weld bending Casting and forging die lost-wax process mould plaster casting sand casting to hammer to press to roll