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。
Suspension lines, pull lines, backup lines and snub lines should be inspected weekly and before every job for specifications (job load ratings), wear limits, damage, or improper installation.
悬吊绳、拉力绳、安全绳、固定绳应该每周或每次使用前检查一次，规格(额定工作负荷)、磨损限度、损坏程度或安装。
Suspension lines, pull lines, backup lines and snub lines should be inspected weekly and before every job for specifications (job load ratings), wear limits, damage, or improper installation.
悬吊绳、拉力绳、安全绳、固定绳应该每周或每次使用前检查一次，规格(额定工作负荷)、磨损限度、损坏程度或安装。
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