Lub teeb txee yog ib lub txee cia khoom tsim rau cov khoom hnyav. Lawv siv dav hauv ntau qhov kev lag luam thiab kev lag luam ib puag ncig. Lub thauj khoom-coj tau muaj peev xwm ntawm lub teeb txee yog ib txwm nyob ib puag ncig 100 txog 150 kilo ib txheej. Lub teeb txee yuav txais cov qauv sib dhos, tsis muaj vuam, thiab yog yooj yim heev thiab nrawm rau nruab thiab disassemble. Lawv yog cov muaj feem sib xyaw ntawm cov kab, kab teeb thiab txee. Cov kab yog nruab nrog kev hloov kho qhov txhua 50 hli, tso cai kho qhov chaw ntawm cov txee raws li cov khoom.
