For example, if you had a batch file called stuff.bat and you typed stuff a b c d at the command prompt, the letters a, b, c, and d would be assigned to the variables %1, %2, %3, and %4, respectively.
Fiberglass shingles generally have a longer life expectancy than do asphalt shingles. Properly installed tiled roofs have a normal useful life of 20-30 years or longer, but individual pieces can become cracked or broken or the nails rust out.
Almost 1 out of 3 people in the United States will develop shingles during their lifetime. Your risk of shingles increases as you get older. If you are age 60 or older get vaccinated against shingles. Shingles, also known as herpes zoster, causes a painful, blistering skin rash that can last 2 to 4 weeks.