An old brick has a natural cavity on one side, providing a cool daytime slug hiding place. Look under any you have around the garden and dispose of the slugs found sheltering. Purposely position a few to create slug shelters, and check daily. A brick also makes a handy squishing implement.
Q Angle of the Knee. The Q angle of the knee is a measurement of the angle between the quadriceps muscles and the patella tendon and provides useful information about the alignment of the knee joint.
QRM â interference from other radio stations. QRN â interference from atmospheric and man-made noise. the angle at which a wave departs from the antenna, referenced to the. radiation angle â. horizon. the process of a radio wave bouncing off the ionosphere and returning to earth at a. skip â. distant point.