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.
Always put your infant in a rear-facing child safety seat in the back seat of your car. A baby riding in the front seat can be fatally injured by a passenger side air bag. Continue to do so until age 2 or until your child reaches the weight or height limit for the seat.Some rear-facing child safety seats can accommodate up to 35 to 40 pounds.hen is my child ready for a booster seat? Keep your 4 to 7 year old children in their forward-facing car seat with a harness until they the top height or weight limit allowed by your car seat's manufacturer. Once they outgrow their forward-facing car seat with a harness, it's time to travel in a booster seat ...