In contrast to division of work, division of labour is the specialization of an individual workers' or organizations' skills, through education, training, and practice.
AR15 Trigger Upgrades. 1  The trigger is one of the most crucial elements in achieving the highest level of accuracy from any firearm. Installation of a quality trigger will permit a light pull with little or no creep and overtravel.
An Alcohol Interlock (AI) is an electronic breath-testing device, wired to the ignition system of a vehicle. Interlocks can be fitted to motorcycles, cars and trucks. A vehicle fitted with an Interlock will not start unless the driver passes a breath test.