In drum winding machine, as the package diameter increases

The co-efficient of expansion of nylon fibre is...............per degree C.

The temperature at which the fibre nature transformation from glass to rubber is called

The thermal conductivity of polyester is............

സൗരയൂധം പിന്നിട്ട ആദ്യ മനുഷ്യനിർമിത  പേടകം 

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