Components of electric circuits. The infinitive

es to loads by wires. )
What protection devices and meters do electric circuits use? (They use relays and fuses, ammeters, voltmeters, wattmeters. )
What grammar material have we learned? (The Infinitive. )
3) Объявление домашнего задания, выставление оценок.
Your work was good. I hope youve learned something new. Your homework will be to learn the words youve written in your copybooks and grammar material about the Infinitive. Thank you for your work, good bye!