A work breakdown structure, or WBS, is a model that can be used for this purpose. In this model you devide the workload in the named phases and appoint the needed area's, tasks and activities under thes phases.
While there are many ways to describe what antioxidants do inside the body, one definition of antioxidants is any substance that inhibits oxidation, especially one used to counteract the deterioration of stored food products or removes potentially damaging oxidizing agents in a living organism.
Crude oil is the oil from the well. Motor oil has been processed. The motor oil must have certain properties, such as viscosity and density, and it can not contain any contam â¦ inants, such as sulfur. Crude oil is unrefined oil, and it has a wide range of viscosities and densities, and may contain contaminants.ifference in a motor and an engineA motor uses an exterior power  source to do the work. An engine creates its own power to do the  work.   Answer   The original an â¦ swer is incorrect, as both an engine and a motor  require an external source of energy to operate.