_________ windows are similar to the sliding doors and the shutter moves on the roller bearings, either horizontally or vertically.

_________ windows are similar to the sliding doors and the shutter mov

1.	_________ windows are similar to the sliding doors and the shutter moves on the roller bearings, either horizontally or vertically.
A.	Sliding
B.	Swinging
C.	Rolling
D.	Metal
Answer» B. Swinging