Isu tinonyanya kugadzira mafuta mutsime simende uye yekuchera zvinowedzera, senge fluid kurasikirwa kwekudzora, retarder, dispersant, anti-gasi kutama, deformer, spacer, flushing fluid uye nezvimwe.
Hongu, tinogona kupa masampuli emahara.
Hongu, tinogona kukupa zvigadzirwa zvinoenderana nezvaunoda.
North America, Asia, Europe uye mamwe matunhu.