Any friction fit, tightness or adhesion of the part of any load being lifted should be broken by wedge or tapping and not by increasing the load on the applianceAccording to this sentence, （）
- Athe lifting appliance can always lift the freight within its rated load
- Battention should be paid in order not to break the wedge when lifting cargo
- Csometimes the lifting work needs other assistance other than the lifting appliance
- Dlifting work should be done with every part fit, tightness or adhesio