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1. INTRODUCTION Examples Of Usage A plumb bob can be used for: • 1.1 Centering of a survey instrument or target over a ground mark to an accuracy of a few millimetres. • 1.2 Plumb bobs are generally used to give an approximate centering before refining the setting using the optical plummet found on the instrument itself. • 1.3 Alignment of a tape or chain along a particular line of site. • 1.4 Marking the end of a tape or chain when measuring distances on sloping ground or across obstacles. 2.THE MAIN BODY (OPERATION PROCEDURE) • 2.1. SAFETY CHECKLIST: The safety checklist is on the wall and states personal (no loose clothing, long hair tied back, no use of bandages or watches etc) as well as machine safety procedures. • 2.2 GRIP BRASS BAR IN A CHUCK: Put the piece of work in the chuck leaving 55 mm sticking out in order to having it secure and stable. Put the guard on, get the right angles on the tools drills (general purpose) bring the cutting edge flat. To familiarize with various controls what clamps do and finally before switch it on understand how to switch it off (ex: kick the bar underneath the turning lathe in emergency) the top of the Tool must be on centre line.
Approximate Word count = 817
Approximate Pages = 3.3
(250 words per page double spaced)
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