
A SMACNA contractor has an incredible lifetime of technical information that he must continually learn, commit to memory and successfully master in his everyday work environment.
Mould has many similar characteristics to mildew, but they are different types of fungi and are often different in colour and texture.
It's time to take a rest from the exciting life and adventures of mechanical insulation and take a look at a pet peeve of mine - the etiquette (or lack there of) of cellphone usage.