如果要使用梯子拿高处的物品，注意梯子要平稳的放在平整的地面上，站在梯子上不要去拿太高或太远的地方。
Usea ladder to reach things high up. See that the ladder is firmly placed, andwhile on a ladder, don't reach too high or too far to one side.
不要用有污迹或有褶皱的布草，所有布草都要是无污点、平整的。
Al linen must be spotless and well pressed, do not use it if it is marked or wrinkled.
注意不要让定位柱在胶水里浮起来了，它应该很平整的贴在定位座上，位置就跟你先钱确认的位置一样。
Make sure the clip does not float in the glue, it should be flat to the mirror housing. Just like when you confirmed it's operation.
应用推荐