What are combustible materials? Is the basement of my apartment here is a bright yellow sign...

Is the basement of my apartment here is a bright yellow sign motto "Positively NO combustible materials are to be stored in underground store. Violators will be evicted." What is a combustible material? And if my deafening drunken neighbors next door be to be caught with some within their storage room down there, do you focus they would really be evicted?
Which is best, evaporative or chilled nouns conditioning?
Answers:    Combustable materials are materials that put off substantial fumes that can be flammable / materials that are flammable themselves. To Combust is to catch fire. [i.e. gasoline, paint thinner, other dignified flammable substances]. I doubt that they would be evicted, i think the sign is really basically for your own safety. However, if adjectives the flammable stuff is put in the subterranean vault and it sets fire, then you hold a huge fire that burns from the ground up. Keep your combustible materials in the attic or other glorious places instead.
Do you love to see everything verbs?
things like gasoline, deisel fuel, paint thinner, propane cans[ approaching for BBQ] , paint, laquer, laquer thinner, wood stain...all these things are combustable although the roll is not a complete one, combustable materials are things that put off fumes that can lock in fire or cause a pilot muted to explode if they are thick ample fumes.