Khoom noj khoom haus
Lub thawv ntim khoom noj yog lub thawv tsis nruj, cylindrical, lossis me ntsis conical thawv.GiNT tau tsom mus rau cov dej haus rau ntau tshaj 47 xyoo.Peb tau tsim txij li xyoo 1973 thiab dhau los ua cov neeg siv khoom ntawm ntau tus neeg muas zaub txawv teb chaws.
Peb paub tias yog ib qho ntawm cov kws tshaj lij kev lag luam thiab cov muag khoom hauv Suav teb. Peb lub Hoobkas muab cov khoom noj khoom haus zoo tshaj plaws hauv Suav teb nrog cov nqi sib tw. Txais tos tiv tauj peb rau kev pabcuam lag luam wholesale.