What kind of castor for saving?

B: what kind of castor for energy when we move in for items, actually was used to castor, is to let it save a lot of effort for oneself, also require so it has good flexibility, only in this way, can let us in use, get a lot of energy saving, but also often have some castor showed great heavy phenomenon. Here often, of course, also want to consider the weight of each other moving objects, and then decided to use what kind of casters, if is item is lower, so also must choose flexible products, because it is small, so the quality is light, natural for the root surface performance are compared. But can't because of effort, and ignore the weight of the moving objects, for some of the great weight of the goods when moving, often small casters are difficult to achieve its adaptability, it is because of this, so eventually will show it's not gay, and we in the choice of castor, also should notice yourself to move the weight of the item.