The geodesic may be plotted on a gnomonic map, and later transferred to a Mercator map and split in loxodromes piecewise. This projection was possibly first used by Etzlaub ca. 1511; however, it was for sure only widely known after Mercator's atlas of 1569.
When your child has topped 20 pounds and/or one year, she can ride in a forward-facing car seat. Of the states establishing guidelines, Florida has the youngest age limit of 3 for securing your child in a forward-facing car seat. Several states mandate the highest age limit of 8 years old.
Weight-based car seats. Weight-based car seats must be rear-facing until your child weighs more than 9kg. After that the seat your child can use (and the way they must be restrained in it) depends on their weight. You may be able to choose from more than one type of seat.eight-based car seats. Height-based car seats are known as âi-Sizeâ seats. They must be rear-facing until your child is over 15 months old. Your child can use a forward-facing car seat when theyâre over 15 months old.