The matters needing attention in the use of blockade can be applied in the fields of short-distance transportation, banking, customs containers, postal services and so on. Special attention should also be paid to the blockade at that time. The small edition introduces the matters needing attention in the use of blockade today.

1. When using the blockade, if it is found that the sign and number of the blockade are not clear, it should report to the responsible person concerned in time and replace it in time.

2. Sealing personnel have no right to unsealing the canning device of vehicles in normal sealing.

3. All drivers are not required to impose blockades. If abnormal internal conditions are found, they must be sealed up on site and confirmed by the customer's signature. At the same time, report to the operator and confirm by the commissioner.

4. Drivers are limited to sealing the cans on the spot.

5. If other personnel have to start the blockade because of work needs, they should notify customers to open the blockade together, and then re-seal.

6. When sealing the opening device, the marks and numbers on the sealing device must be clearly visible.

7. The exposed length of the sealed wire rope should not exceed 1.5 cm. The excess wire rope should be cut with beveling pliers to make the head of the outlet wire disperse.

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