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국가별 참조
Joolca Pty Ltd
상수도
Joolca was founded by Melbourne engineer Maciek Slodyczka. Writing his thesis on energy efficiency, he paid for his university studies by refurbishing old gas heaters and hot water systems. Himself an avid camper, Maciek decided to create something that he and his fellow engineer graduates would use. The result was HOTTAP, the world’s smallest water heater of its type.
