Lucency is a technical term for an area that lets x-rays through tissue and appears darker on the picture. Peri-screw lucency is a result of having had a peri-screw insert â¦ ed into the bone, possibly due to an accident.1 person found this useful. They're is a contraction or shortening of 'they are'.   . Their means belonging to people or things previously mentioned or  easily identified (Your parents do not look similar, except for  their noses).
Amplified antennas are best for the suburbs and rural areas, where a TV signal has to travel a greater distance. They also tend to perform better in rainy or stormy conditions, which can also affect how well a signal travels.
What to Look For in an Antenna. Generally, amplified antennas have better reception, but you may be fine with a nonamplified, aka passive, model depending on your location. If stations broadcast within a 20-mile radius of your home, you can probably make do with a passive antenna. If not, an amplified model may help.