The welding process commonly used for fabricating tailor-welded blanks of dissimilar thickness for automotive applications is

In computer aided design (CAD), solid models can be constructed using

Ceramics and glass are machined by

When assembled, the hole $$ \begin{array}{r} +0.030 \\ 30+0.000 \end{array} $$. mm and shaft $$ \begin{array}{r} +0.020 \\ 30-0.020 \end{array} $$ mm will result in