Ergonomics can also minimize stress and strain on the body by providing ergonomically designed workstations. The Queen's baton is ergonomically contoured for ease of use. Chair Massage is done in an ergonomically designed portable chair. It is most commonly made of felt strips attached to an ergonomically designed handle. Ergonomically curved handles became widespread in 1986. A Xanadu House was ergonomically designed, with future occupants in mind. Ergonomically, the ignition's location next to the parking brake lever, gearshift, and seatbelt, saves time. This Fiesta generation was ergonomically and mechanically more advanced than any previous generation. The M16 is ergonomically superior to the AK-47 in most respects. Visually and ergonomically, it is almost identical to a 1962 SG. In either case, more ergonomically placed keys can be used to cover the tone holes. The cancelled prototype model of the AK-12 is very different from its predecessors ergonomically. Ergonomically, the SIGM400 is patterned after the AR-15-type rifle. Ergonomically the tank was quite good also.