1 Cinquains are five lines long. 2  They have 2 syllables in the first line, 4 in the second, 6 in the third, 8 in the fourth line, and just 2 in the last line. 3  Cinquains do not need to rhyme, but you can include rhymes if you want to.
â¢ COMBUSTIBLE MATERIAL (noun). The noun COMBUSTIBLE MATERIAL has 1 sense: 1. a substance that can be burned to provide heat or power. Familiarity information: COMBUSTIBLE MATERIAL used as a noun is very rare. COMBUSTIBLE MATERIAL (noun). The noun COMBUSTIBLE MATERIAL has 1 sense: 1. a substance that can be burned to provide heat or power. Familiarity information: COMBUSTIBLE MATERIAL used as a noun is very rare.
In addition, a combustible particulate solid is defined as: Any solid material composed of distinct particles or pieces, regardless of size, shape, or chemical composition that presents a fire hazard.. Examples of combustible dust 1  : Metal Dust â Such as Aluminum and Magnesium.ummary. The first step of the combustible dust assessment is determining if you have any combustible dust present at your facility. The next step is an evaluation to determine if the dust is handled or processed in a manner that could potentially create a combustible dust hazard.