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.
Choose your guard size. Every hair clipper comes with a number of attachments that allow you to cut your hair to different lengths. Many people choose to cut the sides of their hair shorter than the top. The longest is a size 7 or 8, depending on the clipper, which leaves about an inch of hair on your head. Using a guard shorter than a size 4 will show your scalp, which leaves you vulnerable to sunburn.