7B Task 2. Measuring & Marking Tools

Slider

Internal jaws

Outside jaws

Depth bar

Main scale

Main scale

Depth bar

External jaws

Internal jaws

Sliding jaw

8.62 cm

8.62 mm

8.52 cm

8.63 cm

1.05 cm

1.06 cm

1.16 cm

1.66 cm

To make our work beautiful

To make our marking out straight

To make our tutors proud of us

To show our drilled holes

0.5mm

5mm

1mm

0.05mm

ruler

yardstick

measuring tape

Cutting metal

Marking arcs, circles, and radii

Measuring length

Sharpening pencils

To make a hole

To make it slippery

To prevent the scriber point from slipping out of position

To mark the centre of the circle

To make them slippery

To prevent corrosion and ensure smooth movement

To make them shiny

To make them heavier