Thursday, November 23, 2017

11

socket and spigot joint

failure of cotter

socket and spigot joint
Failure of the socket collar
TYPES OF SAFETY

Safety Precautions while Working with Cutting Tools

Safety Precautions while Working with Cutting Tools (A) Files 1. One should always use a file card to clean the file. Never use your hand. The...

Factor of Safety

RADIATION

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