a man creates sparks using hand tools
a man creating sparks with a device
a man does science
a man is making sparks
a man is shorting the wire and make spark
a man is slicing a wire
a man is using flint
a man speaking in a mic
a man talking about a hidden spark creating device
a man trying to bring fire by rubbing a wire with a metal
a person creates sparks using a device
a person is explaining something
a person is talking on mike
its a strongest man in the world
man making sparks
someone is talking about making sparks
a man speaking in a mic
a man talking about a hidden spark creating device
a person is talking on mike
a man is shorting the wire and make spark