She ordered hot tea, and the suit says the flight attendant brought her a cup of "extremely hot water" sitting in another cup which contained the tea bag and condiment packets.

CNN: Passenger sues Southwest Airlines over hot tea spill

"You'd have little packets that had this powder in it, you'd fill up your pitcher of water, you'd dump in the powder, stir it up, let it sit for a little bit, and then you'd have a permanent magnet that draws all the minerals down towards the bottom of the pot, and then you pour off the relatively clean water, " he said.

BBC: Millions of Bangladeshis are forced to drink unsafe water