1. According to the information of China Construction Network, industrial vacuum cleaners can be used to hang sand, and vacuum cleaners with appropriate sizes can be selected. Generally, an industrial vacuum cleaner with a slightly larger diameter than sand is selected, and the vacuum cleaner is stuffed into the sand through a hose. After the position is determined, turn on the vacuum cleaner for vacuum cleaning and accumulate sand for suction.

2. Mechanical hoisting can be used, crane or electric hoist can be used as hoisting equipment, and the lifting fork can be inserted into the sand. The lifting capacity of mechanical lifting can be selected according to the weight and quantity of sand, and safety precautions should be taken before lifting to prevent workers from being crushed by sand or squeezed by walls.

In order to ensure work safety, it is recommended that you choose professionals to operate according to the actual situation, so as to avoid accidents.