01) do not do meson (paper) such as fiber paper, double-sided tape
02) PVC film, trademark pipe
03) Connecting sheet: stainless steel sheet, pure nickel sheet, nickel plated steel sheet
04) lead sheet: stainless steel sheet (easy to solder), pure nickel sheet (spot welding)
05) Plug class
06) Protection components such as temperature control switch, overcurrent protector, current limiting resistance
07) Cartons, paper boxes
08) Plastic shells