s # 3-8: Please fill in the blanks and complete the following statements: 3. The two major types of pipes used in collection systems today are __________ pipe and ______________ pipe. 4. Some background information used in determining what type of pipe best fits a particular situation include _________, __________, __________, ________, etc. 5. Four common pipe materials are __________, __________, __________, and __________. 6. ____________ pipe is good for use when lots of industrial or chemical flows will be present. 7. ____________ pipe is heavy and corrosion resistant; but is not H2S resistant. 8. Larger pipe greater than _________ should be supported in place so they can be connected while supported