Tractor in confined areas. The most common variation of the classic farm tractor is the hoe, also called a hoe-loader. As the name implies, it has a loader assembly on the front and a backhoe on the back. Backhoes attach to a three-point hitch on farm or industrial tractors. Industrial tractors are often heavier in construction, particularly with regards to the use of steel grill for protection from rocks and the use of construction tires. When the backhoe is permanently attached, the machine usually has a seat that can swivel to the rear to face the hoe controls. Removable backhoe attachments
Rear admiral rank; and rear admiral (RADM), a two-star rank. Prior to that, a combination of ranks was used. In Vietnam, the equivalent to rear admiral is the "chuẩn đô đốc" or "đề đốc". Rear admiral Rear admiral is a naval commissioned officer rank above that of a commodore (U.S. equivalent of rear admiral lower half) and captain, and below that of a vice admiral. It is generally regarded as the lowest of the "admiral" ranks, which are also sometimes referred to as "flag officers" or "flag ranks". In many navies it is referred to as a two-star rank (OF-7)/(O-7). It originated