Cov raj tooj liab thiab cov kav dej kuj sib txawv hauv lawv daim ntawv thov. Cov kav dej tooj liab yog tsim rau cov kav dej sab nraum zoov vim lawv ruaj thiab tiv taus huab cua hnyav. Lawv tsis tawg, plam, lossis tawg thaum raug rau qhov txias txias lossis kub siab. Ntawm qhov tod tes, cov raj tooj liab yog qhov zoo dua rau cov kav dej hauv tsev thiab HVAC vim tias lawv tsis zoo li cov kav dej tooj liab thiab muaj kev cuam tshuam rau UV hluav taws xob.
Tooj liab yog ib yam khoom uas tshwm sim nyob rau hauv lub ntiaj teb crust.
Tooj liab tau siv rau ntau yam kev siv rau ntau pua xyoo.
Cov yeeb nkab tooj liab feem ntau yog siv rau kev siv kav dej.
Tube tooj liab feem ntau yog siv rau kev siv hluav taws xob.
Cov yeeb nkab tooj liab feem ntau yog tuab dua li cov raj tooj liab.
