処女の最初のセックス

処女の最初のセックス

処女の最初のセックス Differences in non-ferrous metal and non-metal?
Also, I use external contact type (energized type)?
処女の最初のセックス Nonmetallic wrote a non-metal colander on, I will refer to ceramic or plastic, wood, etc..
Please use the [internal contact type].
Non-ferrous metals write a non-metal colander to iron, I will refer to aluminum, copper, brass, and gunmetal.
In this case the metal is iron.
Please use [external contact type] (power supply type) since electricity flows.
※Since there is a film of Al2O3 on the surface of aluminum that was anodized, [external contact type] can not be used (power supply type).
処女の最初のセックス Products that are relevant to this question is as follows. It will jump to the corresponding page by clicking.
[Point Finder Series]  [Centering Gauge Swing Type]
[Tool Setter Series]