It's weird how your first answer contradicts the second Your assumptions about vacuum cleaners are fine. Do remember that it's sharp glass powder that immediat

It's weird how your first answer contradicts the second Your assumptions about vacuum cleaners are fine. Do remember that it's sharp glass powder that immediately embeds, so that won't work I see that you have imaginary beliefs about how much work cleaning is. NASA says differently. Things that you guessed on the spot aren't interesting ways for you to argue.