Example : truck weight 3.5 Kg , Goods weight 3.0 Kg. , Truck per day = 0-8 trucks/day. If we use dock leveler Investment guide, I can know it that I should use what kind of dock. But sometime my customer want to know and I don’t have Dock leveler Investment Guide in my hand at that time. Do you have how to the formula calculation which don’t use Dock leveler Investment Guide.