Bitumen whakato
Ko te tipu bitumen e whakaputaina ana e ta maatau kamupene he kotahi te hinu matua, kotahi te wai wera wera, e rua nga taapiri waipuna whakauru, kotahi tanki bitumen, tetahi tanki bitumen (he whakamahinga whakawhiti), kotahi te papu tere bitumen, kotahi te papu tere emulsion tere , kotahi mira, kotahi te papu tuuturu mana tuku me tetahi ruma hiko hiko. Tae atu ki te raina whakawera hinu wera e hono ana, te raina whakawhiti miihini, te raina whakawhiti emulsion. Ko te tipu emoteion bitumen ka wehea ki nga momo e rua: ki tonu me te ngawari-aunoa. Ko nga mea miihini aunoa kua whakakahoretia te emulsifier, a na roto i te aukati metering, ka whakarite i te whakaheke me te bitumen i roto i te mira. He maamaa te mahinga, ngawari ki te whakahaere, ngawari ki te ako me te maarama.