Cov saw hlau ceev
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SS ceev cov saw nrog SS / cov menyuam cov khaub ncaws hnav rau cov hom ceev
Cov qauv tshwj xeeb sib txuas ua ke cov tub luam me me thiab txoj kab uas hla loj loj nrog 2.5 npaug ntau dua. Vim tias cov saw hlau ceev yog tsawg, tsub zuj zus nrog cov suab nrov tsawg, cov khoom siv tsheb, cov khoom siv tsheb, 3c electronics thiab cov khoom siv hauv tsev.