1, qes qis, tsawg dua hmoov av.
2. Cov crushing ratio loj thiab qhov loj me me yog hom teeb meem.
3, qauv yooj yim, haujlwm ua haujlwm, tsis tshua muaj kev khiav haujlwm.
4. Lubrication system yog kev nyab xeeb thiab txhim khu kev qha, qhov chaw yooj yim los hloov, thiab cov khoom siv tu vajtse yooj yim.
5, sib sib zog nqus crushing kab noj hniav thiab tsis muaj qhov chaw tuag, txhim kho qhov muaj peev xwm thiab cov zis.
6. Khoom siv hluav taws xob: Cov tshuab ib leeg-txuag lub zog ntawm 15% mus rau 30%, lub zog-txuag ntau tshaj ob npaug.
7. Qhov hluav taws xob tawm muaj ntau yam kev kho kom haum raws li cov cai ntawm cov neeg siv sib txawv.
