$12.$ In the right$-$hand view shown in Figure $3,$ notice the dimension that contains $\backslash (2\backslash$times $70\mathrm{.}1/70\mathrm{.}0\backslash ).$ In this case, the $\backslash (2$ x $\backslash )$ means the

A$.$ dimension is actually $\backslash (140/140\mathrm{.}2\backslash$mathrm$\{$~mm$\}\backslash ).$

B$.$ dimension also applies to another location, in this case at the bottom of the part.

C$.$ detail is drawn at a $2$:$1$ scale for clarity.

D$.$ dimension applies only between the two circular bosses at the top of the frame.

Mark for review $($Will be highlighted on the review page$)$ FIGURE $3$