In the case of the B (or center) pillar on four-door sedans, the pillar is typically a closed steel structure welded at the bottom to the car's rocker panel and floorpan, as well as on the top to the roof rail or panel.
On an average a period lasts between 3 to 5 days. It is normal for a girl to have irregular periods in the beginning. During this time, the duration of her periods may vary from as short as 2 days to as long as 7 days. It can take up to a year for periods to become regular.
Q. How long will my period last? A.Everyone is different. Your period can last between two and seven days. Most girls have it for about five days. Q. What should I do when I get my first period? A. In addition to whatâs covered above, itâs a good idea to have feminine products ready for that first period, and to know how to use them.