A digital image is made up from a great number of pixels, each pixel having a specific numeric tonal value. Image contrast is determined by the number of tonal values available and image resolution is determined by the number of pixels available.
The Electrical Lineman Apprenticeship program is a selective admission program restricted to individuals who are employed in the electrical industry and are working for a participating employer.
A lineman, also called a journeyman lineman, is a particular type of electrician. Lineman work on power lines or may work at power plants, focusing on lines and generators used for electricity distribution. Lineman may also be responsible for the installation and maintenance of telephone, cable and fiber-optic lines.