14) What ABS stands for?

Answer is:

Acrylonitrile Butadiene Styrene

Explanation:

Acrylonitrile Butadiene Styrene, often abbreviated as ABS, is an opaque engineering thermoplastic widely used in electronic housings, auto parts, consumer products, pipe fittings, lego toys and many more.

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15) Which process is to done before ABS plastic conductivity?

Answer is:

Sensitizing

16) Which process is used for ABS plastic surface conductivity?

Answer is:

Spray silvering

17) Which is the cause for pitting and patchy depositing?

Answer is:

Defective etching

18) Which is the full form of PCB?

Answer is:

Printed Circuit Board

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