Answer: Air brakes
Explanation: The introduction of air brakes by George Westinghouse marked one of the most important safety upgrades in railroad travel. The air brakes which is powered by compressed air connected to the braking cylinders which automatically serves air to the brake pipes once the brake pressure falls. This automatic airbrakes offered an escape from the inefficient and manual brake system usually employed before it's invention whereby brakemen are charged with the task of controlling the braking system using the brake wheel in other to alt the train's movement. This manual method is both tedious and unsafe.
Answer:
Cost of Quality. What is the term that describes what a business has to pay to correct defective products? To ensure that management and the team has a clear picture of the state of the project.
Answer:
The Answer is below
Explanation:
In summary, the above text is written below as:
Greek is a combination of different islands. Though they were surrounded by water, their cities grew on different styles from that of other civilizations at the river valley. These various cities or states developed independently. The Greek civilization was influenced by its geographical features such as water, mountains and peninsular.
Answer: Yes they did WW1 killed so many so the US did not want to get in a another thing like that