$$A$$ $$30$$ $$mm$$ hole shaft assembly results in minimum and maximum clearances of $$0.03$$ $$mm$$ and $$0.30$$ $$mm$$ respectively. The hole has a unilateral tolerance with zero fundamental deviation. If the tolerance on the shaft is $$0.08$$ $$mm,$$ the maximum size of the hole is

In mass manufacturing, two holes in a plate type of component are ideally located with the help of

The most widely used reinforcement in modern day $$FRP$$ tennis racket is