ᱱᱟᱶᱟ

ᱟᱢ ᱪᱮᱫ ᱞᱮᱠᱟᱢ ᱞᱟᱹᱭᱟᱠᱟᱫᱟ ᱡᱮ ᱟᱢ ᱫᱚ ᱩᱢᱟᱹᱨ ᱨᱮᱭᱟᱜ ᱧᱩᱛᱩᱢ ᱵᱟᱵᱚᱛ ᱮᱢ ᱵᱟᱰᱟᱭᱟ? 1. Steel nails: mainly used in concrete, the ground and the connection of materi...

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