Cart Shopping Cart My Store Account Orders Downloads Shopping Cart Remove item Thumbnail image Product Price Quantity Subtotal × 923. Weight Classification Using the New Ship Work Breakdown Structure $20.00 923. Weight Classification Using the New Ship Work Breakdown Structure quantity $20.00 × 924. PERA Weight Control Procedures Past, Present and Future $20.00 924. PERA Weight Control Procedures Past, Present and Future quantity $20.00 × 921. Weight Control Requirements for a Prototype High Performance Craft $20.00 921. Weight Control Requirements for a Prototype High Performance Craft quantity $20.00 × 975. Optimum Design of Semi-Trailers $20.00 975. Optimum Design of Semi-Trailers quantity $20.00 Coupon: Apply coupon Update cart Available coupons (Click to apply). Cart totals Subtotal $80.00 Tax $0.00 Total $80.00 Proceed to checkout