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The hazards of contents shall be rated by determining its hazard and assigning the appropriate rating to the left of the Maltese cross as follows (see Note 2 in C.2.2):

L — Low hazard. Low hazard contents shall be classified as those of such low combustibility that no self-propagating fire therein can occur.
M — Moderate hazard. Moderate hazard contents shall be classified as those that are likely to burn with moderate rapidity or to give off a considerable volume of smoke.
H — High hazard. High hazard contents (see Note 3 in C.2.3) shall be classified as those that are likely to burn with extreme rapidity or from which explosions are likely.

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