14. Раскройте скобки и поставьте глагол в нужную форму. 1. If

14. Раскройте скобки и поставьте глагол в подходящую форму. 1. If they (use) a new method, the results of the experiment would be different. 2. If we have any problem with the equipment after start-up, we (invite) a representative of your company. 3. If you know the dimensions of the body you (calculate) easily its volume. 4. If the student had known the specific heat and the weight of the substance, he (calculate) its thermal capacity. 5. If cars (be) more efficient we would use less fuel. 6. If they (apply) the new technology, the productivity would have risen. 7. A number of important innovations would have been impossible unless new surface finish technology (use).