The Investigative Judgment or Pre-Advent Judgement.

[Joe Knapp]

Yes I believe they are literal. 

Then the angel ^[d]took the ^[e]censer and filled it with the fire of the altar, and hurled it to the earth; and there were peals of thunder and sounds, and flashes of lightning and an earthquake. Nasb

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Does what you sense they are, agree with what we as Adventist think they are? 

I don't know. I have never heard a clear simple explanation to this. 

9 hours ago, Challenger said:

Too, do you understand why the service at the altar of incense will end before the trumpets begin?

I have always believed that this signals the close of probation.