Rwb thaiv tsev qib yog hais txog qhov ntsuas kub, tsis yog lub tswv yim ntawm cov khoom siv rwb thaiv tsev, thiab muaj cov roj rwb thaiv tsev muaj 10,, (Epoxy cob qhia) nrog kev ua haujlwm ntau tshaj plaws ntawm 155 degrees {}}}} paember) thiab C yog siv los ua motors. Qhov no yog txiav txim siab los ntawm cov rwb thaiv tsev cov khoom .
