Hubei province is approximately East, West and north sides of the middle flat, slightly incomplete basin South open. In the province's total area, the mountain accounted for 56%, hills accounted for 24%, and plain lakes accounted for 20%.

Before 1, the first operation of sand pumping equipment inspection, ensure all normal power equipment.

2. Persons under the age of eighteen and above shall not operate or maintain. Sand pumping structure

3, no professional training or drunken operation of this series of machinery.

4, when the equipment is abnormal, stop working immediately and check ashore.

5, when the sand boat is checked and repaired, all the machinery must be stopped before it can be carried out.

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