Choose the right form of the Participle.
1. The agricultural machines (made, making) at this factory are exported to several countries.
2. Who had (coordinated, coordinating) the cooperation?
3. We looked for a factory (built, building) by the workers not long ago.
4. The students (worked, working) here came from Kyiv.
5. (Come, coming) home, he began to read an article about economic relations.
6. I was reading a book about different kinds of industry (printed, printing) in our town.