1 Types of Gutters and How to Prepare for an Install. 2  Advice on Gutters and Downspouts. 3  Tips for Cleaning and Repairing Gutters.  Outdoor Spring Maintenance Tips.
One mil is 1/000th of an inch. A sheet of paper is 4/1000ths of an inch thick, so 10 mil has the thickness of 2 1/2 sheets of paper. A mil is not to be confused with a millimeter(mm). On average human hair is 100 microns or .004 inches. 10 mil is the width of about 2 and a half human hairs.
A nanometre is a billionth of a metre. A human hair is about 80,000-100,000 nanometres wide. The manipulation of matter at this scale offers innovative tools to expand the limits of what is possible, allowing for the creation of new materials or the modification of existing ones.