ネジのタップ建て(4mm) tapping 4mm screw hole |
ネジのタップ建て(5mm )tapping 5mm screw hole |
|
![]() |
![]() |
Gluing horizontal pendulum(Part1) | Gluing horizontal pendulum(Part1) |
![]() |
![]() |
![]() http://yossi-okamoto.net/Electronics/Making_circuit_board.html | ![]() http://www.yossi-okamoto.net/Outsourcing/Amplifier.html |