Category: Materials and Construction

A. Shafts
B. Flanges
C. Gears
D. Shear blades

A. Welding
B. Slip casting
C. Extrusion
D. Plastic pressing

A. Zinc
B. Tin
C. Copper
D. Molybdenum

A. Low carbon steel
B. Mild steel
C. Wrought iron
D. High-carbon steel

A. Vanadium
B. Iron
C. Tungsten
D. Cobalt

A. Stainless steel containers
B. Paper bags
C. Fibre drums
D. Either B. or C.

A. Brittle
B. Hard
C. Rollable
D. Soft

A. Hammer
B. Workpiece
C. Die with hammer
D. Weight on hammer

A. Quartz
B. Calcite
C. Corundum
D. Fluorite

A. 80
B. 70
C. 90
D. 50