- four- fold rule:
as the name implies it contains four pieces made of wood.each measuring 15 cm long and are joined together by means of hinged joint
it is used for measuring and setting down dimensions
2. flexible steel tape:
it is used for measuring longer dimension
by virtue of the flexibility it can be used for measuring curved as well as angular surfaces also
it is usually available in 2 m length
0 comments:
Post a Comment