The provided texts are excerpts from various NFPA (National Fire Protection Association) standards and training materials related to fire protection systems. Specific topics covered include sprinkler system installation and design requirements, portable fire extinguisher maintenance and selection, fire pump installation and testing, and fire alarm system design and inspection. Additionally, there are sections detailing licensing rules for fire protection contractors, mathematical calculations for sprinkler fitters, and blueprint reading and architectural drawing interpretation for sprinkler fitters. Finally, the excerpts also discuss human relations and teamwork in the context of a sprinkler fitting crew.