The Odom-eter
rulers yar thingys and any thing that measures inches and stuff such as yard stick
ruler
The odom-eter
beacause it help blind people and people who is in a wheelchair.
They make life easier.
Inventions that help people or make the world a better place are:vehicles of all typesrefrigeratorscook stoveselectricitygarden tillers
so people can drive and not walk
distance
Distance.
The telephone.
medical inventions are things that doctors or nurses use in any kind of hospital. They use them to help many people and help heal them by usiong the medical equipment.Some inventions may be used at home or school.
because it's a huge various
inventions help civilizations to advance and help life be easier