A set of construction symbols I used for a construction foundation construction symbol hard hat cone construction symbol hard hat cone sign blue print hammer infrastructure crane scaffolding builder helmet 建築符號
building cartoon construction mixer equipment addon cement Cement Mixer clip art 水泥 混音器 水泥攪拌機 水泥攪拌機剪貼畫
building cartoon construction lift crane heavy equipment cranes carry Equipment Crane clip art 設備 起重機 工業 設備起重機剪貼畫