FR chair carbon is ourdoor chair which used in combination with FR-CDP trekking poles.
'bookmark light' is a bookmark which is printed on a special film using the ink which transmits electricity.
shape of electric transmission
electricity turns on in a metal solid thing with the various shapes and a light bulb emits light.
shape of revolve
object with the shape which circulates and the center of gravity. it is an experimental spinning-top. the material is black plating in metal.
magnetic field record
This equipment hung from the ceiling records magnetism and the gravity of the earth.