The thre The three groups o e groups of indust f industrial pr rial products a oducts and servi nd services inc ces include all of t lude all of the foll he following exc owing except
_____.
a. materials and parts
b. capital items capital items
c. maintenance and operations
d. supplies and services
_____.
a. materials and parts
b. capital items capital items
c. maintenance and operations
d. supplies and services