reaction machine meaning in Hindi

Examples

1. Teams of contestants construct elaborate Rube Goldberg style chain-reaction machines on tables arranged around a large gymnasium.
2. He has invented mass-produced children's toys, and hosts an annual competition to make Rube Goldberg chain reaction machines.
3. All common water machines until the late 19th century ( including water wheels ) were basically reaction machines; water " pressure " head acted on the machine and produced work.