điền vào giúp ạọa A Other skateboarders threw theirs away when this happened, but Haroshi didn't because they were important to him B Using this material isn't the only interesting thing about his work, though C When he stopped skateboarding, he needed to find a new way to fill his time D While he was doing this, he realised that he could create something new from something old E Haroshi took this idea and does something similar in his own work F He saw these sculptures and decided to do something completely different G Haroshi had no formal training in art, and each piece of work took a very long time because of this H He asked their opinions about what he was doing and they gave him their old skateboards, too