Q3 - What terminal of the tangential blower is reserved for the ground terminal?

Q4 - What terminal or terminals of the upper blower connect to the lower blower?

Q5 - What terminal or terminals of the upper blower connect to the lower blower?

Q6 - What is the voltage rating of the tangential blower?

Q7 - What is the resistance rating of the tangential blower?

Q8 - What is the power rating of the tangential blower?

Q9 - What is the color of the wheel bearing of the tangential blower?

Q10 - What is material is the wheel bearing of the blower made from?