Abstract:
(a) Crow bars and sabbals are usually of
round or Hexagonal rolled steel bars with one
end flattened and toughened. Sabbals are used
digging holes or pits in the ground and crow
bars for shifting of heavy articles manu all)'
which otherwise is not possible without the
help of cranes etc. Sabbals are also used in
mining operations, for cutting holes in the walls
of buildings for road construction work etc.