Question

what are the precautions to be taken while using scale/ruler​.
5points

Answer 1

Answer:

:Care should be taken to keep the ruler along the lenght of the object.

:If the edge of the ruler is worn out or broken, the measurement should be srarted from any other mark that is fully clear. ...

:Eyes should be exactly obve the point where the measurement is to be taken.

Explanation: