which tools used for established horizontal line on a wall?in wiring
Answers
Plumb Bob and the scale are used for established horizontal line on a wall.
Explanation:
1. Plumb Bob: This is an instrument where a sharp needle is placed vertically. The ‘plumb Bob’ is suspended. As a result it goes downward. The Bob always remain in a vertical position. The line which is made by the thread gives an idea of the ‘straightness of the line’.
2. The scale: Scales like ‘vernier caliper’ can be used as a reference for drawing a straight line on a wall where a reference straight line is present. The calipers can be used to trace the horizontal line using the reference.
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