Cov hnab looj tes tawv tawv muaj ntau qhov zoo, tab sis lawv kim me ntsis, thiab lawv them nyiaj ntau dua rau kev tu thiab tu.
Cov hnab looj tes tawv yog cov hnab looj tes nrov heev hauv lub caij ntuj no. Cov tawv nqaij yog mos, du, plump thiab elastic, thiab muaj cov nyhuv thermal zoo. Qhov ua kom sov sov ntawm cov hnab looj tes PU yog qhov nruab nrab, tab sis piv nrog cov hnab looj tes wool, nws zoo dua li cov hnab looj tes wool.
Qhov zoo ntawm cov hnab looj tes tawv: tag nrho cov tawv tawv yog txiav thiab sewn, ua kom sov, xauv hauv qhov kub thiab txias, tiv thaiv khaub thuas thiab cua, hnav-tiv taus thiab tawg, thiab muaj lub neej ua haujlwm ntev.
