Question

common faucet problems include all of the following except
leaks
stiff
loose
cross connections
missing isolating valves
question 15
in new construction you will not normally find basins and sinks made out of
stainless steel
cast iron
synthetic marble
concrete
enameled steel

Explanation:

Leaks, stiff - ness, looseness are common faucet issues. Cross - connections and missing isolating valves are more related to plumbing system issues rather than typical faucet problems. For basins and sinks, concrete is not a common material in new construction due to its weight and finishing challenges compared to others.

Answer:

Question 14: D. cross connections, E. missing isolating valves
Question 15: D. concrete