Before playing, inspect for hidden hazards (drains, sprinklers, broken bottles, holes, etc.)
Keep a first aid kit on hand.
Be aware of environmental hazards (heat, cold, wind, thunderstorms, insects, etc.).
If an injury occurs, seek appropriate treatment. Always inform parents of any injuries, no matter how minor you feel it may be; discuss any and all situations that concern you.
DO NOT allow anyone to play on goal posts or crossbar. This has caused serious injuries and, in some cases, fatal accidents.