What is it?
It's electricity
What is it?
It's steel.
What is it?
It's wood.
What does this mean?
It means 'to design'.
What is it?
It's electrical engineering
What is it?
It's mechanical engineering.
What does this mean?
It means revision.
What is it?
It's a blueprint.
What is it?
It's a light bulb.
What is it?
It's a bridge.
What is it?
It's a structure.
What is it?
It's civil engineering.
What is it?
It's plastic.
What is it?
It's a metro.
What is it?
It's a fan.
What is it?
It's an engineer