Boom and counter boom of the crane 2.13 Trolleys for the movement of the load m 1 and counterweight m2. The trolley shown in Fig. 13, consists of a chassis or metal base and four wheels which are to move into two rails. The rails that belong to the boom are longer than those of the counter boom.
Water easily passes though this EZ-Dry polyurethane foam. * Outdoor furniture such as seat and back cushions and mattresses. * Boat or marine cushions, golf carts, pool, patio or grading cushions. * Can also be used under Phifertex material and for filtering or padding whatever is exposed to large amounts of water.
Miracle BambooÂ® Cushion's orthopedic foam is both soft and supportive at the same time. It conforms to your body shape and provides the ultimate support. Miracle BambooÂ® Cushion is specially designed to mold to any shape for superior support and comfort. The cut-away design allows the tailbone to float above the seat to help relieve the pressure caused by sitting, for long or short periods of time. The outer shell is made from Rayon from Bamboo.