Inxalenye ephambili yomatshini wokuwelda wokumelana nombane yenza ubushushu obuninzi ngexesha lomsebenzi wemihla ngemihla. Ukuthintela ingxaki yobushushu obugqithisileyo, abasebenzisi abaninzi banokungongeza inkqubo ye-chiller yamanzi ye-CW-6000 ukususa ubushushu.