Building construction site " 10 forbid " set wall map! Building site safety is necessary!

1, construction site " 10 forbid "1, construction site " 10 forbid "2, construction site solder is cut " 10 forbid "2, construction site solder is cut " 10 forbid "3, construction site altitude works " 10 forbid "3, construction site altitude works " 10 forbid "4, weigh since construction site " 10 forbid "4, weigh since construction site " 10 forbid "5, construction site concrete works " 10 forbid "5, construction site concrete works " 10 forbid "6, construction site scaffold works " 10 forbid "6, construction site scaffold works " 10 forbid "7, construction site is electric operation " 10 forbid "7, construction site is electric operation " 10 forbid "8, construction site reinforcing steel bar works " 10 forbid "8, construction site reinforcing steel bar works " 10 forbid "9, dormitory fire prevention is safe " 10 forbid "9, dormitory fire prevention is safe " 10 forbid "
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