Disassembly and reassembly of the handgun is relatively simple. These hardpoints make repeated disassembly and reassembly trouble-free. The M1 Garand was designed for simple assembly and disassembly to facilitate field maintenance. Mechanical grooved couplings or Victaulic joints are also frequently used for frequent disassembly and assembly. Disassembly and assembly was difficult even under normal conditions. Procedures for assembly and disassembly of desktops tend to be simple and standardized as well. Such facilitates easy disassembly and cleaning. The metal disc inlay in the stock functions as a bolt disassembly tool. G3 iBook typically involved an expensive 50-step disassembly of the laptop. This new situation favors the dynamics of assembly and disassembly. They are highly dynamic structures that continuously alternate between assembly and disassembly. It has services available, that controlling the association assembly and disassembly. This model also introduced a screw barrel, allowing for easy disassembly and cleaning. All "wipes" deteriorate quickly and require disassembly and spare parts replacement. The restoration involved an almost complete disassembly of the tank.