I believe the answer is: oil and electricity
Legislative, Executive, and Judicial
Tourism<span>, </span>machinery<span>, iron and </span>steel<span>, chemicals, </span>food processing<span>, </span>textiles<span>, motor vehicles, </span>clothing<span>, </span>footwear<span> and </span><span>ceramics.
Hope this helps! :)</span>
It was constructed using objects that he could find around him. For example, he had only a single wheel mounted on a bicycle fork and it all stood on a simple white chair. He said the idea behind it was that he always wanted to mount it on a chair and just watch it turn around and around infinitely.
