1. Which of the following devices can be used to overcome the limitation of
humans?
I Rocket
II Telephone
III Elevator
A I and II only
B I and III only
C II and III only
D I, II and III
2. What have Karl Benz and Gottlieb Daimler contributed?
A There are pioneers in diesel engine car
B They invited the first bullet train in the world
C There are the pioneers in developing steam engine cars
D There are pioneers in developing petrol engine cars
