You need to be careful outside today,make sure to drink lots of water and dress in light clothes。 This kind of weather can be dangerous。 mom uc that about every type of weather when it snows the reins,uc,it's dangerous to。Um, interesting technology. I'm writing a paper and needed good topic。 yes,I just heard about a drinking straw that cleans out the bad things in water。 it will help millions of people。