Solve these clues to fill the grid.
- The part of a golf course bordering the fairway where the grass is not cut short
- 1 Across
- How fast something moves
- 4 Across
- Any of various substances of either mineral origin or plant or animal origin
- 5 Across
- Narrow wood or metal or plastic runners used in pairs for gliding over snow
- 6 Across
- The outermost level of the land or sea
- 7 Across
- A substance capable of reducing friction by making surfaces smooth or slippery
- 10 Across
- A joint that holds two parts together so that one can swing relative to the other
- 12 Across
- Having a surface free from roughness or bumps or ridges or irregularities
- 13 Across
- A thick fatty oil
- 2 Down
- Four-wheeled vehicle for driving on roads (plural)
- 3 Down
- The resistance encountered when one body is moved in contact with another
- 8 Down
- An aircraft that has a fixed wing and is powered by propellers or jets
- 9 Down
- Slippery liquid used for cooking and fuel
- 11 Down
