If you need to create a high vacuum, there are basically two options: turbomolecular pumps and diffusion pumps. Turbomolecular pumps require rotors spinning at many thousands of rotations per minute ...

Novi's water boil advisory has been lifted, but city officials say they're not out of the woods just yet. The city lifted the advisory around noon Tuesday after the Great Lakes Water Authority worked ...

KETV.COM. WELL, THE CITY OF CLARINDA, IOWA RAN OUT OF WATER EARLIER TODAY. THE CITY SAYS THE WATER IS PUMPING NOW. IT CONFIRMS THE SHORTAGE WAS CONNECTED TO MULTIPLE WATER BREAKS. THEY’RE ASKING ...