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.
We produce a range of interlocking soft mats, PVC tiles and rubber flooring with a variety of different uses. Our extremely popular classic mats are made from high quality EVA foam and have interlocking jigsaw edges to create a multi-purpose soft floor area for play rooms, garages, schools, exhibitions and more.e also produce a range of mats from rubber and vinyl PVC which is extremely popular as garage flooring, rubber flooring and grass protection. Take a look at our range and find the perfect mat to suit your needs! â 1  High-quality closed-cell EVA foam. â 2  Odourless, non-toxic and Formamide free.