Korean life ppt template
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Korean life ppt template
This is a gray abstract curve PPT background picture; Keywords: g...
This is a red PPT background picture of the solemn party class; K...
This is a green beautiful fantasy PPT background picture; The bac...
This is a beautiful blue PPT background picture; Keywords: blue p...
This is a blackboard PPT background picture with a wooden frame; ...
Construction industry safety construction PPT template