Answers

  • Brainly User
2015-06-06T19:57:54+05:30
Because-
1-It can be used on very-very high temperatures .
2-It used for safety also .
3-It's operation is more better than the operation of chain and cables
4- The flow rate of the fluid.
2 5 2
vry gud!! well done buddy
thnx dude
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