-                FBYS411 Tsis yog asbestos sealing ntawvLos ntawm graphite hmoov, Kevlar fiber ntau thiab cov nplaum tshwj xeeb tshwj xeeb, ntxiv cov khoom siv ntxiv, kev siv cov kev cai lij choj. 
-                FBYS408 Tsis yog asbestos sealing ntawvLos ntawm qhov kub-resistant nplaum, asbestos-dawb tshav kub-resistant fiber ntau thiab inormeric high-temperature muab tub lim tshwj xeeb kev koom tes, ntxiv cov khoom siv tshuaj ntxiv, kev siv cov txheej txheem kev cai lij choj. 
-                FBYS268 Tsis yog asbestos sealing ntawvAramid fiber ntau, carbon fiber, fiberglass, thiab lwm yam raws li cov khoom siv pob txha, roj-resistant nplaum tshwj xeeb kev koom tes, ntxiv cov khoom siv tshuaj ntxiv, cov khoom ntim khoom, kev siv cov menyuam siab txoj cai. 
-                FBYS411 fiber ntau graphite graphite sau phajLos ntawm graphite hmoov, Kevlar fiber ntau thiab cov nplaum tshwj xeeb tshwj xeeb, ntxiv cov khoom siv ntxiv, kev siv cov kev cai lij choj. 
-                FBYS402 Tsis yog asbestos sealing ntawvLos ntawm butyl latex, asbestos-free fibers thiab functional fillers tshwj xeeb kev koom tes, ntxiv cov khoom siv tshuaj ntxiv, kev siv cov kev cai lij choj. 
