| RACKANDPINION | System for converting rotary motion to linear (often used on mountain railways) (4-3-6) |
| CABLE | Taxi the French take for car used on mountain (5) |
| THOROUGHGOING | Hot buggy, bumpy in motion to the end (13) |
| SKIBEEHOOK | Often used on a pike plug, it needs forceps for removal (6,4) |
| CAM | Rotary-to-linear motion converter |
| ASCENT | A journey to the summit - as by the Snowdon Mountain railway, for example (6) |
| TREADLE | Part of a machine operated by foot to provide rotary motion (7) |
| RIGI | Swiss "Queen of the Mountains" renowned for panoramic views over snow-capped Alps and its cogwheel train on Europe's first mountain railway (4) |
| PANT | Fight for breath on the Brecon Mountain Railway (4) |
| COPPERPAINT | In 2011, Washington became the first state to ban this substance, often used on boat hulls, because of environmental concerns |
| PRIMUS | Stove that's often used on camping trips (6) |
| PAROLE | Prisoner's word often used on board (6) |
| SESAME | Seed often used on bread rolls (6) |
| GUILLOCHE | Precise and intricate patterns of interlaced lines, often used on bank notes and passports |
| ENGINE | Machine for converting energy into motion for which Macquorn Rankine developed a scale of thermodynamic temperature for stream-powered versions (6) |
| CHURNS | Large metal containers formerly used for transporting milk; or, machines for converting cream into butter (6) |
| DIODES | Devices used in circuits for converting alternating current to direct current (6) |
| CRANK | Arm or lever for transmitting rotary motion (5) |
| TOPSPIN | Forward rotary motion imparted to ball (7) |
| REEL | Rotary motion of an object around its own axis (4) |
