Choose the correct answer (Multiple Choice)

1. What is the purpose of an ice edger?
   1. Melts excess ice buildup near the boards
   2. Smooths out ice imperfections after resurfacing
   3. Cuts down ice on the edges that the ice resurfacer misses
2. Which combination of factors best explains why indoor air quality issues can escalate in ice arenas?
   1. Reliance on fossil fuel-powered equipment and limited air exchange in enclosed ice arena environments
   2. Frequent use of resurfacing equipment and the naturally cold temperatures that slow pollutant movement
   3. High occupancy during events and the use of mechanical ventilation systems designed for large spectator spaces
   4. Large interior volumes that dilute emissions from ice resurfacers but they still can reach harmful levels
3. What is the focus of the Ontario Recreation Facilities Association?
   1. Organizing community sports leagues
   2. Recreational facility training and best practices
   3. Providing grants for recreational infrastructure
   4. Governing body for Certified Ice Arena Operators (CAAO)

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