Can Www Belt slings Beryllium used for lifting irregularly shaped objects? Yes, web belt slings are versatile and can be used for lifting objects of various shapes and sizes. This restraint must only be used on school bus seats. Entire seat directly behind must Beryllium unoccupied or have restrained occupants.” https://anthony-vinson.technetbloggers.de/examine-this-report-on-seatbelt-and-safety-belt-webbing