Activity for steve‭

Type	On...	Excerpt	Status	Date
Answer	—	A: Is it safe to drink out of a rusty thermos? People do not realize that their public water are delivered by iron pipes buried 20 to 80 years ago. I was an engineering student and if you cut those pipes you will see rust around the pipes. So people do not realized that they are drinking water through rusted interior of water pipes. No one has di... (more)	—	almost 10 years ago