He wē ka whakamahia hei whakamaene i te neke o tētahi hanga ki runga, ki roto rānei i tētahi atu. Hei āwhina te hekewaku i te mahi a tētahi niho tapahi maitai, hei whakaiti hoki i te wera ka puta i te waku kei waenganui i te niho me te maitai e tāraitia ana.
A liquid which is used to smooth the movement of something on top of, or inside another thing. Lubricant helps the action of a metal cutting bit, and also reduces the heat caused by friction between the cutting bit and the work piece.
heke - to reduce, decline
waku - friction, rubbing