Pb Cov Khoom Phom Yeeb Yam Qib Siab.

Nws yog ib qho tshuaj muaj cov tshuaj polymers. Nyob rau hauv thaum ntxov nrog rau cov khoom no, vim nws muaj ntau lub nta, xws li nws muaj kev kub ua hauj, kev ruaj ntseg ntawm, yuav nqa ntawm kev ua, qhov tseem ceeb tshaj plaws yog tias nws yog ib qho chaw tiv thaiv ntsuab, khoom noj, tsis muaj tshuaj lom , muaj ib tug xov tooj ntawm cov khoom ntawm cov ntaub ntawv, muaj peev xwm hloov ntau qhov chaw txhua yam ntawm cov khoom, tam sim no nyob rau hauv lub ntiaj teb kev lag luam, nws yog overlord ntawm cov yas. Tab sis tam sim no cov ntaub ntawv tau nyob nrog peb muaj kev sib cuag, ntau lub tsev zoo nkauj siv rau nws, ntau nta siv cov kav dej, kav dej, cov yeeb nkab cua yog qhov kev xaiv zoo.