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Homeby Witness Moecki
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an toàn khi chiếu tia laser ,sử dụng máy laser

congtrinh113 (2)in #laser • 6 years ago

https://www.facebook.com/nguyencongtrinh11/videos/322508841806501/

#Laser #LaSerena #chieu #tia #tia_laser #MayDay #may_laser #machine_laser #an_toàn #safe #laser_projection #laserprojection #projection #chiếu #chiếu_laser #máy_laser #nguyencongtrinh

#viet #nam #may #chieu
6 years ago in #laser by congtrinh113 (2)
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