2015年12月20日星期日

two crane hook pulley should remain vertical.

In order to make a reasonable allocation of loads and synchronous dual action , should lift crane unified command , ride on pallet trucks the action should be coordinated with the load should be allocated on a reasonable , single lifting loads must not exceed the permissible load of 80%. To prevent overloading the lifting process , Hand pallet jacks two crane hook pulley should remain vertical.

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