Driving-type, Self-propelled, Hand-push, What''s the Different ?

As you can see in the title, there are three high frequency words: driving-type, self-propelled, hand-push. For example, driving-type thermoplastic screeding road marking machine, self-propelled thermoplastic screeding road marking machine, hand-push thermoplastic screeding road marking machine.
We use these three words to classify the road marking machine, according to the drive mode. Here are details about the specific meaning of these three words.
1. Driving-type
The driving-type thermoplastic screeding road marking machine. There is a “ driving-type” in it’s title, which means that the operator can sit in the seat, with hands holding the steering wheel. The operator can drive the road marking machine just like driving a car.
2. Self-propelled
The self-propelled thermoplastic screeding road marking machine. You can clearly see that an engine is installed on this road marking machine. The engine can drive the wheels, bring the whole road marking machine automatically move forward. The operator only needs to hold the handle and control the direction, does not need to push the road marking machine.
3. Hand-push
Although this type of machine is very same like the Self-propelled type. But if you look closely, you will find the difference between them. There is no engine installed in the Hand-push type machine. So, This machine must rely on the operator's hands and push it forward.