List the five NFPA fire-resistance construction types and a brief impact on firefighting tactics for each.

• A. Type I - fire-resistive; Type II - noncombustible; Type III - ordinary; Type IV - heavy timber; Type V - wood frame; impacts include structural integrity, interior attack viability, collapse risk, and ventilation considerations.
• B. Type I - Steel; Type II - Concrete; Type III - Brick; Type IV - Glass; Type V - Plastic; impacts include structural integrity, interior attack viability, collapse risk, and ventilation considerations.
• C. Type I - Wood; Type II - Wood; Type III - Wood; Type IV - Wood; Type V - Wood; impacts include structural integrity, interior attack viability, collapse risk, and ventilation considerations.
• D. Type I - Nonloadbearing; Type II - Loadbearing; Type III - Mixed; Type IV - Hollow; Type V - Composite; impacts include structural integrity, interior attack viability, collapse risk, and ventilation considerations.

Answer: (A)