Select all true statements. ANFO explosive ... 1-is more sensitive when density is higher than 1.2g/cm3 2-produces carbon monoxide (CO) when in a fuel shortage 3-has a low velocity of detonation (VOD) and is useful to produce heave action for soft and fractured rocks 4-should not be stored for long periods of time 5-has a higher velocity of detonation (VOD) when used in small diameter blast holes 6-can be over-oiled (fuel excess) to account for potential fuel evaporation during hot summer months

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