Snub lines for the rig tongs must be inspected at regular intervals and be in good working condition.

必须定期检查大钳尾绳，使其处于良好的备用状态。

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PetTravel.com notes that KLM recently banned four breeds of snub-nosed dogs in the cargo hold, and Delta Air Lines is restricting all pets from the cargo hold of its B767s.

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