Abstract:
I. Product and its use
Postal weighing machines are a type of beam
scales most commonly used for weighing small
postal items like covers and small packets
weighing not more than 1 Kg. This type of
postal weighing scale can be' grouped in
Class 'B' scale which is used for weighing
drugs, chemicals and perfumery etc. This scale
can be seen in all Government and private
offices in their despatch section. This scale
ith equal arms has three knife edges, three
bearings an indicator (pointer) in the centre
and pans suspended from the end knife edges.