electric kiln 
Apparatus that uses radiation to produce heat; it is used for firing clay.
heating element 
Electric unit that heats up when current passes through it, releasing the heat required to cook the clay using radiation.
refractory brick 
Brick that can withstand very high temperatures without deforming.
connecting cable 
Flexible cord containing conductors; it connects the apparatus to the electric circuit.
signal lamp 
Light indicating when the desired temperature has been reached.
firing chamber 
Compartment lined with refractory bricks in which the pieces are placed for firing.