The division of labour, however, so far as it can be introduced, occasions, in every art, a proportionable increase of the productive powers of labour.
Add in new deployments, productivity and downtime issues, a diluvium of new products, services and vendors, and the difficulty of finding and retaining the professional resources you need.
Subject of labor is practice object subsystem, laborer is subsystem of practice main body, labor tool is practice neutretto system, productivity is the integral function that carries out a system.