It is made into tires and used for most vehicles and other tranportational things.
Treated rubber is made to not melt and flow when hot or be brittle when too cold.
Yes.
In order to improve its elastic properties
Rubber Mallet
Quick transportation in the early days.
It help people and goods have a cheaper transportation
it works better because it can be more flexible and moves around easier
Settling by a river provides access to water for drinking, agriculture, and transportation. It also offers a natural barrier for protection against enemies. Additionally, rivers can support trade and economic activities.
It means that the producers are treated better, they get proper working conditions, good pay and treated as equals.
Trolleys and streetcars carried workers to and from their jobs.
People could be treated as slaved if they are abducted by someone, or are in an area where they work solely for the benefit of someone else. people SHOULD NEVER be treated like slaves.
An internal combustion engine, rubber tires, speed control, brakes