NCR Home Inspection

Electromagnetic field (EMF) exposure

EMFs in the Home Electromagnetic Fields Can the electric and magnetic fields (EMFs) to which people are routinely exposed cause health effects? What are sources of EMFs, and when are they dangerous? An "electromagnetic field" is a broad term which includes electric fields generated by charged particles in motion, an...

Adjustable Steel Columns

Adjustable Steel Columns Adjustable steel columns, also known as screw jacks and beam jacks, are hollow steel posts designed to provide structural support. An attached threaded adjustment mechanism is used to adjust the height of the post. A few facts about adjustable steel columns: They are usually found in basements. In s...