Is a bicycle an example of technology?

Is there a product that dissolve tree roots from landscaping drainage pipes? Sparse matrix Program in c language? What is standard commercial risk? Which number should be next in this series 512.64.8.1? Who may remove a danger tag? What is the difference between process and product patent? Can someone do computer enginering and computer programming? Why you use coffie in case of cuts? An accident at Three Mile Island in 1979 led to increased concerns about which form of energy? How do you increase land under cultivation? Busbar is made up of what material? Real world op amps have infinite gain? Are Errors with memory often difficult to diagnose because they can appear intermittently and might be mistaken as application errors user errors or other hardware component errors? What country built the first nuclear power plant and what year? Can a petrol engine run on lean air-fuel ratio such as 30 by 1 while a diesel engine can? Can I run 12v dc led lights with 15v dc? What is a new idea about something can be made or done? How far should the exhaust extend past the house on a direct vent furnace? Who invented the drop ceiling? Why pitting is dangerous?