A catalog lists the series of action guides, training guides, and videos and includs seven revised editions of action guides. ... Three brochures detail the Model 580L loader/backhoe, the Model 9040B excavator, and the Model 1 835 C Skid Steer. ... in a marine environment, by Douglas F. Burke in July 1994, is a 76-mo. study of rebar performance in Key West, Florida. ... and pre-stressed concrete elements such as simple and continuous beams and one-way and two-way slab systems.