Machining 10, 20, 30

(a)	Describe how the finish of a machined surface is designated using a set of numbers and symbols indicating roughness.
(b)	Explain the relationship between the quality of a machined surface and production costs.
(c)	Discuss the importance of surface finish with respect to application.
(d)	Identify potential hazards associated with finishing processes and tools.
(e)	Demonstrate finishing techniques (e.g., polishing, lapping, grinding and filing).
(f)	Examine speeds and feeds of typical machining tools as they relate to required surface finish.
(g)	Compare completed project with samples of surface finishes.
(h)	Demonstrate safe practices when finishing metal.
(i)	Apply appropriate finishing techniques to achieve specific surface finishes.
(j)	Explore inorganic coatings used in finishing metals.