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.
Ignition interlock is a device that is installed on motor vehicles to prohibit individuals under the influence of alcohol from operating the vehicle. Individuals are required to blow into the device before starting the vehicle. If the device detects alcohol, it will prevent the vehicle from starting.