Word classes. We have seen that morphemes can be bound (e.g. â ly, â ing, â ed) or free (e.g. go, stop, sit). Now, all free morphemes exist within a word class. Each word class incorporates words that all perform a similar function. In English, we recognize ten word classes 1  : lexical verbs. 2  nouns. 3  adjectives. 4  adverbs.
In this chapter we will learn about product design,which is the process of deciding on. the unique characteristics and features of the companyâs product. We will also learn. about process selection,which is the development of the process necessary to produce. the designed product.
A systematic ergonomics approach to industrial workstation design For designing an industrial workstation, it is necessary to obtain relevant information or data on task perform- ance, equipment, working posture and environment.