Matched context for diffusion and preheating

The page lists matched contexts for diffusion and preheating.

Share - diffusion	Share - preheating	Phrase
14.03%	6.67%	{diffusion or preheating} combustion
2.46%	6.58%	{diffusion or preheating} chamber
1.00%	13.82%	{diffusion or preheating} fuel
1.37%	5.37%	fuel {diffusion or preheating}
0.50%	4.87%	{diffusion or preheating} means
1.36%	1.72%	{diffusion or preheating} tube