Iyi mashini ikoreshwa mukuvanga mercure na zahabu numucanga wumukara, kubona zahabu amalgam. Noneho shungura zahabu amalgam muri reture ya mercure hanyuma ubone zahabu nziza.
Bamwe mu bacukura zahabu na bo bakoresha urusyo kugira ngo bagire gahunda yo guhuriza hamwe, ariko Kubera ko guhuriza hamwe mu kigero cyo kugarura imipira ari bike, gutakaza mercure, ibibazo bikomeye nk’ibangamira ubuzima ku bidukikije ndetse n’abakozi ubu ntibikoreshwa cyane, gusa uduce tumwe na tumwe twasubiye inyuma nabwo dukoresha imashini ya Nianpan cyangwa uruganda rw’umupira.
Nubwo igice kinini cya zahabu mumatora yongeye gutorwa kiri muburyo bwisanzuye, ubuso bwibice bya zahabu bikunze kwanduzwa kuburyo butandukanye, kandi zahabu nandi mabuye y'agaciro cyangwa udutsiko turi mubuzima. Iyo wongeye gutoranya zahabu yibanda hamwe na silindiri ivanze na mercure, imipira yicyuma ikongerwaho kuri silinderi, hanyuma firime yubuso bwibice bya zahabu ikurwaho no gusya hanyuma ibice bya zahabu bigatandukana mukomerezaho kugirango bivure uburemere bwibice bya zahabu byubusa bifite ubuso busukuye. Kubireba umucanga mwinshi, silinderi yuburemere bworoheje ikoreshwa muri rusange, kandi ingano yo gukubita imipira ni nto. Iyo umusenyi uremereye urimo ibintu byinshi bya granules bikomeza hamwe nubutaka bukomeye bwanduye bwa zahabu, hakoreshwa silinderi ziremereye cyane.
| Andika | Ingano y'imbere | Kureka (kg) | Umuvuduko (r / min) | Imbaraga (kw) | Uburemere bw'umupira (kg) | Umupira Dia (mm) | |||
| Dia | Uburebure (mm) | Inkingi (m3) | |||||||
| Ubwoko bwumucyo | 420 | 600 | hafi 0.3 | 50-90 | 20-22 | 0.75-1.5 | 10-20 | 38-50 | |
| Ubwoko Buremereye | 0-31 | 600 | 800 | 0.233 | 100-150 | 22-38 | 0.3-2.1 | 150-300 | 38-50 |
| 0-3b | 750 | 900 | 0.395 | 200-300 | 21-36 | 1.7-3.75 | 300-600 | 38-50 | |
| 800 | 1200 | 0.60 | 300-450 | 20-33 | 3-6 | 500-1000 | 38-50 | ||