Kei ahuatia ngā taputapu whakawehenga kōrero nei he momo whakarite mō te wehenga i roto i ētahi whenua rerekē, e hīnau ana i te pūhāwhe, mete, poraka, me te tahuhu. Kei tohua i runga i te kaiwhakawehenga paoro toru (HSS) rānei ko ngā kaiwhakawehenga karbide, e āhei ana ngā kohinga ki ngā momo āhuatanga rerekē me ngā taupae katoa hei whakamana i ngā huringa ka taea. I whakatairangitia ngā kaiwhakawehenga i runga i te whakarereke pai mō te wehenga o ngā pereki me te whai wawara. Ki te whai mō ngā hanganga matihiko rānei, mō ngā whakahaere kāinga, e taea nei e ngā taputapu whakawehenga kēnei te wehenga pai, tika.