Answer:
The answer should be: Companies replaced hand-operated brakes with air brakes on trains.
Explanation:
You have to think how hard it was for trains to stop with hand operated brakes. Trains go fast, and not stopping in time can be dangerous. Hope this helped :)
pls follow me
Explanation:
Known as 'the ship of the desert', camels have always been an integral part of life in Saudi Arabia and throughout the Arabian Gulf. Today, camels still remain a great source of pride not only for camel breeders but for all Arabs, who recognize camels as icons of their heritage, life and economy
Answer:
it's preety good
Explanation:
thanks for free points bro
