Cov ntsiab lus ntawm cov khoom:
Cov khoom yog ntau lub taub hau ntawm tus pas nrig, tus pas tuav yog ua los ntawm cov khoom siv hluav taws xob muaj zog, siv ntau qhov sib xyaw ua ke, raws li tus neeg siv thoob ntiaj teb, tuaj yeem hloov tau yooj yim rau ntau tshaj kaum hom kev cawm, raws li qhov yuav tsum tau muaj ntawm qhov chaw pabcuam kev puas tsuaj, qhov sib txawv ntawm cov ncej shank ntawm qhov ntev sib txawv.Cov khoom tsim yog kev tshawb fawb, kev hloov lub taub hau yog qhov yooj yim thiab nrawm, nrog cov qauv tsim, siv tau yooj yim, yooj yim rau kev khiav lag luam.
Cov khoom qauv:
Cov khoom siv no yog tsim los ntawm 10 tus pas nrig taub hau, 2 pas nrig tuav thiab 10 qhov sib txuas sib txuas.Lub taub hau pas nrig yog: rau tus hniav rake, sickle, ntoo rauj, txiab los ua ke, ob tug nuv, steel diav rawg, ib rab phom ib rab phom, ob rab phom, sib cais riam, duav.