NM400, NM450, thiab NM500 qib siab hnav tsis kam hlau phaj yog siv dav hauv cov tshuab tsuas, kev tsuas thee thiab kev thauj mus los, kev tsim kho tshuab, kev ua liaj ua teb, cov ntaub ntawv tsim kho, cov tshuab hluav taws xob, kev thauj mus los ntawm tsheb ciav hlau, thiab lwm yam. Piv txwv li, cov hniav thoob thiab cov thoob ntawm cov excavators, cov hniav phaj thiab rauj ntawm ntau yam crushers, cov khau khiav ntawm cov tsheb laij teb thiab cov tank, cov shovels ntawm bulldozers, thiab cov linings ntawm cov log hluav taws xob loj feem ntau tsuas yog txwv rau kev siv cov hlau hnav tsis kam uas raug kev hnav abrasive, thiab txhua yam tshuab yuav tsim ntau hom kev hnav, thiab yuav muaj cov kev cai rau kev txhim kho kev hnav tsis kam ntawm cov khoom siv workpiece lossis siv cov hlau hnav tsis kam.