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.
Migraine triggers: an introduction. A migraine trigger is anything that contributes to a migraine attack. Triggers increase the risk of the migraine attack occurring, although migraine triggers do not cause the migraine disorder in individuals. However, in a person who already suffers from migraines, certain triggers can bring on migraine attacks.