How will you calculate swl of union purchase system

16
FOLLOW

it is the swl of its derrick which has lowest swl

• 
  30
  FOLLOW
  X 3

  as calculated and determined by the administration or one-third of the derrick with the minimum SWL.

  Vignesh Waran | 25-Apr-2014 06:15 | EDIT | REPLY

YOU MAY ALSO LIKE
• SUDHANSHU KUMAR