6. выберите правильный вариант ответа. 1. the engineers tackling/tackled/being tackled the energy problem did not reach a compromise. 2. the equipment delivering/delivered/being delivered yesterday has just been installed. 3. the coils connecting/connected/being connected to each other will be attached to a battery through an on-off switch. 4. tests of the properties of the electromagnetic circuit carrying/carried/being carried out by this team have shown good results. 5. the high voltage circuit checking/checked/being checked now will be used soon. 6. many people are against power plants burning/burnt/being burnt waste.