Matched context for heating and lighting

The page lists matched contexts for heating and lighting.

Share - heating	Share - lighting	Phrase
5.46%	12.25%	{heating or lighting} [purpose] device
15.22%	3.89%	{heating or lighting} [purpose] element
2.22%	23.96%	{heating or lighting} [purpose] system
5.57%	5.15%	{heating or lighting} [purpose] means
0.51%	23.90%	{heating or lighting} [purpose] circuit
0.27%	0.78%	provide {heating or lighting} [perform operation]