Enter information in left column; select appropriate menus. Click Calculate. To calculate net kcalories expended subtract Calories of activity that otherwise would have been performed from Calories of activity actually performed. [Example: 230 kcal (Walking) - 50 kcal (Sitting) = 180 net kcalories expended] 1 Calorie = 1 kcalorie = 4.18 kjoules.
A utility locator uses maps, schematics, and hand-held electronic devices to identify underground utility lines. He or she marks points with paint or flags to inform construction workers and homeowners of their exact locations.
A complex network of physical power lines and cables provides consumers with electricity, landline telephone communication, cable television, and Internet access. Line installers and repairers, also known as line workers, are responsible for installing and maintaining these networks.