Gorvu

Felloe, a segment or the whole rim of a wooden wheel to which the spokes are attached and onto which a metal tyre is usually shrunk.

Plural: Gorvi

gorvu

Il-Gulvu

Wheel felloe: a segment or the whole rim of a wooden wheel to which the spokes are attached and onto which a metal tyre is usually shrunk

Kamma

Cam:  a rotating or sliding piece in a mechanical linkage used especially in transforming rotary motion into linear motion. It is often a part of a rotating wheel (e.g. an eccentric wheel) or shaft (e.g. a cylinder with an irregular shape) that strikes a lever at one or more points on its circular path.

Source: English

Plural: kamem, Kammiet.