Babies cannot express their discomfort except by crying out, but many times they are experiencing cabin pressure changes which can give them serious ear pain. Their eustachion tubes are not fully developed, and they tend to be "colicky" which can congest their ear passages and pharynx. The middle ear can present serious pain to the baby when the cabin presure is changing. For this reason, you should give the baby a bottle (water, formula, or juice), especially when ascending or descending. This is almost equivalent to adults Chewing Gum or popping your ears. This may alleviate some of the baby's discomfort.
yes
mom
Travel easier
It gave people fast long range transport.
they could get to the places they want to go faster
The same carrier you would use in your car is the same carrier to use in an airplane. Just make sure its lightweight and easily carried.
Yes, but lotions are needed to be in a clear travel plastic bottle.
It makes it easier by making long distance travel shorter in and easier and less tiring
If you are asking whether you can travel by airplane with a plaster cast, the answer is yes. Plenty of people travel with broken limbs. If you're asking if you can fly without an airplane or other machine, the answer is no. Plaster does not make you float.
To make transportation of goods and the travel for people easier.
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baby powder