IT IS HOT! Preventing Heat Stress Wow! What a scorcher! You knew it was going to be a hot day but with this humidity it has to be 105° F outside. You reach for that power tool to finish your job and start to feel lightheaded. It's probably because you haven't eaten much this morning. You can make it until lunch! Time passes and your condition hasn't gotten any better-in fact it's worse! Your breathing has increased, you're sweating profusely, and your mouth is dry. Something's wrong! You start to climb down the scaffolding but you're almost too weak to move. You...