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.
Height-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.You must check the seat to make sure itâs suitable for the height of your child.eight-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.