Cart Shopping Cart My Store Account Orders Downloads Shopping Cart “82. Structural Weight Estimation for the Initial Stage of Preliminary Design” has been added to your cart. Continue Shopping Remove item Thumbnail image Product Price Quantity Subtotal × 82. Structural Weight Estimation for the Initial Stage of Preliminary Design $20.00 82. Structural Weight Estimation for the Initial Stage of Preliminary Design quantity $20.00 Coupon: Apply coupon Update cart Available coupons (Click to apply). Cart totals Subtotal $20.00 Tax $0.00 Total $20.00 Proceed to checkout