During my previous trip to China, I bought a powerful AC blower and a DC water pump. I never got the chance to test them in Beijing. Now during the process of settling down in Qingdao, registering a new company and opening a business account in a bank, I got the chance to build a large bubble generator using a large planter I bought here, along with some other PVC pipe connectors. Once all parts came, I finished the project in one day and tested it right in front of the office building.
A story about Richard Nelson and his simple and yet unprecedented inventions