SLBC tunnel: High-powered vacuum pump being used to remove debris
The 30 HP liquid ring vacuum pump uses water or liquid to create a vacuum to speed up removal of debris Officials at the SLBC ...
Get the iRobot Roomba (Q0120) for under $200
As of March 14, you can get the iRobot Roomba (Q0120) for just $129.99, down from $249.99, at Amazon. That's a 48% discount and $120 off the list price. If you’re a busy person and vacuuming just ...