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.
There will be wires running from the antenna into the box and a lead running down into the house to the television set. However, there are other devices that look similar to masthead amplifiers or it may be out of sight in a roof cavity.Amplifiers usually draw power through the antenna cable from a 240-volt plug pack, which is usually found near or behind the television set.The plug pack is wired to a device known as a power injector attached to the antenna cable going to the antenna.mplifiers usually draw power through the antenna cable from a 240-volt plug pack, which is usually found near or behind the television set. The plug pack is wired to a device known as a power injector attached to the antenna cable going to the antenna.