- Coal Mine
- Coalmine
- Colliery
- Deep chasm
- Deep hole
- Dog, ... bull terrier
- Enclosure for snakes, bears and theatre musicians
- Beams of light
- Flagpoles
- Mine accesses
- 1971 film about a black detective, played by Richard Roundtree
- An arrow
- Arrow
- Building’s lift cavity
- Mine part
- Mine's passage
- Ray (of light)
- Lots rely, dementedly, on these supermarket carts
- Mine rail-trucks
- Mine railtrucks
- Shopping carts
- Coal mine waste
- Mine debris
- Mining dross
- Scum
- Smelter waste
- Smelting cinders
- Smelting scum