| 摘要 |
A lift device for lifting a manhole cover which includes a base and a pole configured to lift the manhole cover when one end of the pole is pressed downward. The length of the pole is adjustable in order to permit easy storage and transportation, and to increase the lift force. Retainers are configured to secure manhole covers to the lift device to permit the lifting of the manhole covers in a manner that their center of mass is kept near the end of the pole.
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