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My focus is POAC. Until this time I donot understand yet. Could you please show me the literature, which talking about POAC?
thank you friend.

Diligently create good postings, equipped with unique photos, drawings or sketches. Surely by itself will be trained writing skills and self-actualization. thanks.

I think you are a beginner, same with me. Welcome to the cheer community. Nice to meet you.