Abbreviation for X-ray Fluorescence a hand held tool in most cases that is good at identifying lead in paint.


Give A Shit. This is a scoring game. A high GAS score means that you care and show it in many...


This is code for the Kick Ass award which involves the presentation of the KA trophy, a place in the Levco Hall of Fame, and a...


Tile Council of North America. This organization writes and updates a book that is the gold standard for installing tiles. This is the standard that we use to determine if the work is being done correctly.