Injury and death can occur from dehydration, which can happen quickly and unnoticed. Symptoms of dehydration are often confused with other causes. Take frequent breaks if you must work outdoors. Frequent breaks, especially in a cool area or to drink fluids, can help people tolerate heat better. Use a buddy system when working in extreme heat.
Partners can keep an eye on each other and can assist each other when needed.
Sometimes exposure to heat can cloud judgment. Chances are if you work alone, you may not notice this. Drink plenty of water regularly and often. Your body needs water to keep cool. Water is the safest liquid to drink during heat emergencies.