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 ignition interlock is a device that measures the alcohol in your breath and allows you to start your vehicle if it is below the set point. The device also requires periodic retests while the vehicle is running.