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.
Notice Iâve been talking about indoor antennas in this article. Amplifiers are beneficial for outdoor and attic antennas because those cable lengths tend to be long and often the signal is split to more than one TV. In those cases, an amplifier is not only a good idea, but often a necessity to get optimal reception. But, be sure to put the amp close to the antenna, not the TVs!