My spouse, who has been working for a sheet metal manufacturing facility for the previous two decades has developed a unique type of hearing problem known as tinnitus. This is brought on due to harsh conditions of the manufacturing facility coupled with the absence of heating or air conditioning services https://docs.google.com/document/d/1y-wSCLl8i7_rsJq8-dhTZgNpPtScuq4xzPSEI-8thWU/edit?usp=sharing