Prince Andrew screwed up his eyes and turned away.
He looked about distractedly and screwed up his eyes as if dazzled by the sun.
He was really screwed up last spring.
When these are held from turning, their frictional resistance may be adjusted by means of nuts on the screwed bolts which hold them together until the shaft revolves at a given speed.
As usually arranged, a thin metal plate is screwed on to the top of a firm upright post at the centre of the plate, which is horizontal.