In metal cutting $$BUE$$ formation results in

In $$HSS$$ Tool materials the element tungsten can be completely replaced, without changing the material property by

In order to reduce roll pressure in strip rolling, back tension must be applied to strip.

The diameter of a hole is given as $${50^{\matrix{ { + 0.15} \cr { + 0.00} \cr } }}\,\,mm.$$ The upper limit on the dimension in $$mm,$$ of the shaft for achieving maximum interference of $$50micron$$ is .................