1050 txhuas ntawv yog siv dav hauv kev lag luam dav dav, kev sim tshuaj, kev lag luam chemical thiab lwm thaj chaw. Daim ntawv thov tshwj xeeb yog raws li hauv qab no: cov khoom siv ua txhua hnub, lub teeb pom kev zoo, lub teeb txawb thiab lub teeb moos soos, extruded coil ntawm cov zaub mov; scutcheon, cov npe, cov khoom dai;