Coal is a soft / hard rock.
soft rock
What are they?
goggles
Miners usually work three ..... changes / shifts - morning, afternoon and night.
shifts
What is it?
a wheel loader
What is it?
a face shield
What is it?
chisel
What is it?
a bolting rig
Lead is ferrous / non-ferrous metal.
non-ferrous metal
The miner is ... loading / blasting the muck into the truck.
loading
What is it?
a hard hat
A physical damage of a body is called ...... injury / hazard
injury
Copper is a/an ...... conductor / insulator
conductor
Gold is ... metal / non-metal.
metal
Sulphur is ... metal / non-metal.
non-metal
What is it?
a rock pick / pickaxe
A maintenance worker / mechanic fixes machines.
a mechanic
What are they?
pliers
What is it?
a self-rescuer
The miner is bolting / boring the hole in the wall.
boring
Iron is precious / base metal.
base metal