Osiyana ndi galasi koloko laimu, galasi aluminosilicate ali kusinthasintha wapamwamba, kukaniza zikande, kupinda mphamvu ndi mphamvu amapindika, ndipo chimagwiritsidwa ntchito PID, mapanelo magalimoto chapakati ulamuliro, makompyuta mafakitale, POS, kutonthoza masewera ndi mankhwala 3C ndi madera ena. The standard makulidwe...
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