[Abhijit N]

Can anybody share there knowledge about Car seal open / close in case of valves?
– What is it exactly the CAR SEAL is?
– Where normally we will find this ?
– Why we need them ?
– why we have LOCK open / close positions?
– Who control this? Who has the keys?
– Who decides to have them?

your replies will be very helpful to us..!

[Author]

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