Sander

Ziri asked Yazid if he could borrow his power sander.

What if you could get a sander at the library?

The autophiles hang around a big, fluorescent-lighted garage with cars on cinder blocks, ostensibly in competition for a job, and they talk to the camera in between sessions at the sander or other machines.

Grass growing on the track made the running far from easy, and only frequent use of the sanders enabled us to breast the 1 in 50 gradients between Letterkenny and Kilmacrenon [sic].

Traditionally, sand was used to aid grip, being released onto the track in front of the wheels from a special 'sandbox'. However, the Slough accident led to two trials on the use of train-borne sanders to aid braking: [...] Now, all new stock is fitted with automatic sanders, as have most of the pre-1994 units still running.