Упражнение 2. Определите функцию инфинитива в следующих предложениях. 1. Russian scientists have developed special chemicals to convert liquid oil products into gel in few seconds.
2. This technology is very important to transport oil products and other cases.
3. To transform oil products into gel is very important.
4. This technology is very useful to store oil products since gel becomes fireproof.
5. The new chemicals are needed to make structural changes in hydrocarbons.

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