During the operation of hoist. the speed and acceleration of each wire rope are inconsistent and the inertia force is changed due to the wear of the friction pad on the drum. which makes an impact on the cylinder of the tension balance hydraulic connection device and aggravates the flow pressure loss. It results in the nonlinear friction force between the piston and cylinder and affec... https://parisnaturalfoodes.shop/product-category/beard-oil-bergamot-w-ylang/