When shovels load the dump trucks with over 100-ton passes under gravity dumping conditions. they will create a large impact force on the dump truck body which generates high frequency shock waves which expose the operators to whole body vibrations (WBV). The main cause of such truck vibrations is the large impact force due to the gravity dumping of large tonnage passes. Therefore a r... https://balboasurfandsstylers.shop/product-category/surfboard/