Ladder type 1a has a duty rating of extra heavy industrial for 300 pounds or 136 . 2 kilograms 型号为1a的梯子的承重量适应于大约300磅或136 2公斤的特殊重量的工人。
2.
The hanging pedestal uses full extention steel slide rail which can support at least 50 lbs . hanging files rack for f4 size paper is being equipped inside the lowest drawer 抽屉柜用三截钢路轨,可承重量不少于50磅,而最低的抽屉内更设置f4纸挂档案吊架。