(1) Keep all marking - out tools clean and slightly oiled, and well away from all other tools.
(2) Take care to clean the tools and the work-piece before starting to mark out.
(3) Handle the tools carefully - no knocking or rubbing of the surface.
READ MORE: BRIEF INTRODUCTION TO MARKING OUT
READ MORE: BRIEF INTRODUCTION TO MARKING OUT
(4) When transferring measurements from a rule, check that the point is fitted into the rule division accurately.
(5) Check that the clamps are tight on the scribing block.
(6) Center punch very lightly and exactly on the lines and line junctions.
(7) Always work from one vertical and one horizontal base line.
READ MORE: TYPES OF MARKING OUT TOOLS AND THEIR USES.
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