What are the major types of interior walls and partitions in a larger building, such as a hospital, classroom building, apartment building, or office building? How do these types differ from one another? Why is gypsum used so much in interior finishes? Name the coats of plaster used over expanded metal lath and explain the role of each. Under what circumstances would you specify the use of portland cement plaster? Keenes cement plaster? Veneer plaster? Describe step by step how the joints between sheets of gypsum board are made invisible. List the potential range of functions of a finish ceiling and of a finish floor. What are the advantages and disadvantages of a suspended ceiling compared to those of a tightly attached ceiling? When designing a building with its structure and mechanical equipment left exposed at the ceiling, what precautions should you take to ensure a satisfactory appearance? What does underlayment do? How should it be laid? List several different approaches to the problem of running electrical and communications wiring beneath a floor of a building framed with steel or concrete