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Fred is an apprentice in a German aircraft company in his first training period. Today he is going to show the place where he works to his friend Tom. They enter the workshop and go to the instructors room. Fred introduces Tom and asks the instructor’s permission to show him the workshop. The instructor agrees and the two friends begin their inspection.
Fred: “Well, this is my workbench, my vice, and in the drawers there are my tools. That drawing shows the workpiece I am working at.”
Fred pulls out the drawer and Tom looks at the tools.
Tom: “What a lot of tools! I already know a few of them from my father’s toolbox.”
Fred: “The tools I need for this workpiece are the scriber, the ruler, the angle, the centre punch, the hammer, the chisel, files, and the vernier calliper. ”
Tom: “But what a lot of files! Do you need them all?”
Fred: “This is a very simple workpiece. Later on, other, more difficult parts will follow. But the most important tools now are the files. Our instructor always says that filing is the beginning of every mechanical career. ”
Tom: “I can’t imagine that aeroplanes are produced by filing. ”
Fred: “You are right, actually. Aeroplanes are manufactured from aluminium- alloyed sheets, which are riveted together. So a great part of our training has to do with forming sheet metal. Look over at the other side of the workshop. These apprentices are busy cutting, beading, and bending. Near the windows you can see bending machines and over there the boys are working with drilling or milling machines. “