The _______________________, which connects the trap to the vent pipe, conveys only wastewater to the building drain. {Ans: waste pipe}Guidelines for accessible design are outlined in the publication A117.1-1980, which is published by ____________________. {Ans: ANSI (American National Standards Institute)}To avoid injury or discomfort, install a ____________________ to adjust the temperature of hot water to ensure that it does not exceed a specified temperature at the fixture outlet. {Ans: anti-scald valve}Corner lavatories, raised-back lavatories, and ledge lavatories are examples of {Ans: wall-hung lavatories}_________________________ is a durable material used for fixtures that is created by combining porcelain in its liquid state with other materials, such as steel or cast iron. {Ans: Porcelain enamel}The water outlet end for a utility faucet, called a ___________________, is angled downward and is available in the treadless or hose style. {Ans: bibb}Common ___________________, also called ______________________, are receptacles or devices that receive water from a water supply line. They include toilets, bathtubs, and water coolers. {Ans: --fixtures --plumbing fixtures}One of the materials used for the base of shower stalls is _________________, small pieces of marble or other hard stone embedded in a mortar base. {Ans: Terrazzo}When installing lavatories,