1. Tsis tas yuav tsum tswj qhov siab ntawm ob qhov ua haujlwm saum lub tshuab thaum lub pwm yuav tsum tau hloov, tsis tas yuav tsum tau sib sau los yog rhuav tshem cov khoom siv tawm cov saw hlau thiab tso tawm hopper. Txo lub sij hawm hloov ntawm pwm plaub teev rau tam sim no 30 feeb.
2. Cov txheej txheem tshiab ob chav tiv thaiv yog siv, yog li lwm yam khoom seem yuav tsis raug puas tsuaj thaum lub tshuab khiav tawm ntawm kauj ruam yam tsis muaj lub tshuab nres.
3.Original unilateral tes viav vias cuab yeej los tiv thaiv lub tshuab co tsis zoo, thiab qhov tsis sib hloov ntawm tes log thaum lub sijhawm khiav ntawm lub tshuab tuaj yeem tiv thaiv kev ruaj ntseg ntawm tus neeg teb xov tooj.
4. Tshiab-hom ob-rotary zaj duab xis cutter tuaj yeem xyuas kom tsis muaj qhov yuav tsum tau siv cov hniav thaum siv lub tshuab ntau xyoo, uas kov yeej qhov tsis xws luag uas cov tsoos ib leeg-rotary zaj duab xis txiav cutter tau yooj yim hnav.
