The provided texts are excerpts from various NFPA (National Fire Protection Association) codes and standards, focusing on fire protection systems. Specifically, they detail inspection, testing, and maintenance requirements for fire extinguishers, sprinkler systems, standpipes, and fire pumps. Additionally, they cover licensing and revocation procedures for fire protection contractors in Minnesota, and include sections on system design, installation, and safety guidelines. Several excerpts also address the specifics of installing and maintaining different types of sprinkler systems. Finally, some text offers training materials related to the sprinkler industry.