This free Chemical Factory PPT template for sciences can be used to decorate your medical or physician PowerPoint presentations.
Download free factory Backgrounds
Air Pollution
This free Air Pollution for Powerpoint Template is a nice background design with combat engineering on the sky that can be useful for warfare presentations.
Industrial Commercial Credit
Industrial Commercial Credit background is a good alternative for PowerPoint presentations but you can also download free Commercial PowerPoint template and other Credit System PPT templates for free.