Определите в данных предложениях Complex Subject и Complex Object. 1. Transformation of oil products into gel seems to be very important.
2. Russian scientists have developed special chemicals to convert liquid oil products into gel in few seconds.
3. Special chemicals are used to convert liquid oil products into gel in few seconds.
4. Transformation of products into gel pretends to be unique.
5. A supporting vessel collects the bags with oil to prevent ecological disaster.