First, in the selection of the specifications of the sling, the load must be lifted in size, weight, shape, as well as the method of the hoisting of the use of the joint impact of the coefficient of the way to calculate consideration, given the limit of work requirements, while the working environment, the type of load must be considered. It is necessary to choose the proper length of the sling with sufficient capacity and to satisfy the use of the way, if multiple slings are used in conjunction with lifting loads, the same type of sling must be chosen; The raw material of a flat sling cannot be affected by the environment or load. Whether the attachment or the soft hanging ear needs, must carefully consider the sling with the end and auxiliary accessories and lifting equipment matching.
2, the safety use of slings strictly prohibited. The unmarked sling shall not be used at the end of the rigging. The parts on the sling assembly are periodically inspected according to the assembled part. A distorted sling shall not be corrected by hammering. The sling is forbidden to throw. Do not pull the weights down or let them scroll on the sling.
Third, the purchase of the sling must be professional manufacturers according to national standards for the production, inspection, certification and maintenance, maintenance manuals products. In the product obviously there must be difficult to wear the rated weight, production number, manufacturing date, production plant name and other signs. The use of units shall be based on the specifications and the use of environmental characteristics of the establishment of safe use procedures and maintenance system.