Khoom taw qhia:
rauj zeb yog lub zoo tshaj plaws milling khoom ntawm tag nrho cov hom ntoo piece, straw,
nyom, daim teb, ntoo ceg, khib nyiab ntoo, xyoob ntoo, ntoo tej pob zeb, pob kws xuab zeb, txiv laum huab xeeb,
nplej txhuam, hluav taws roj ntoo, paj rwb, khau biomass thiab lwm yam.
Specification ntawm rauj zeb:
