Draw each side in a frame each frame is $(13\mathrm{.}9$ h and $20$ w cm$)$ in one paper in A$3.$

Figure shows an isometric view of regulator block. Draw with full size the views of the block in first angle projection:

a$)$ Plan looking from the top of the block

b$)$ Front elevation looking from $B.$

c$)$ Side elevation looking from A$.$