A thermostat is made up of three main parts: ____ – This is the part of the thermostat that you see. It is usually a knob or button that is used to adjust the ____ of the appliance. ____ – This is a ____ strip, made of two ____, which switches the appliance on and off. ____ – These make the connection between the bimetallic strip and the ____ of the appliance. The ____ is made up of two strips of different metals ____ or riveted together. These two metals ____ by different amounts when they are ____. They will also ____ by different amounts when they ____. ____ (an alloy of copper and zinc) and ____ are two metals commonly used to make bimetallic strips, because brass expands more than iron when heated and contracts more when cooled.

Temperature control in household appliances


Визуален стил


Шаблон за превключване

Възстановяване на авто-записаната: ?