The student aligns the seat and the legs.
text: You need to put the round thing on top.
text: You just need to just put it onto, uh, um, onto, legs.
text: Now put the legs on top of the circle, and you should see that on the bottom of the circle there should be tips that go into the four holes.
text: So if you turn around the circle.
text: There you see the four pins.
text: You need to put those four pins.
text: Exactly.