2.this is used as guide in drawing horizontal lines.

a.ruler
b.scale
c.triangle
d.t-square

3.this instrument is used to draw circles ,arcs,radii,and parts of many symbols.

a.compass
b.divider
c.protactor
d.tape ruler

4.it is a concave,spring-steel blade ranging from 1/4"to 1"wide and 6 about 300 feet in length

a.meter stick
b.tape ruler
c.triangle
d.ruler

5.it helps the drafter keep the proporsition accurate.

a.ruler
b.scale
c.triangle
d.t-square​