1. Biochemist-George Washington Carver contributed to making paint,cosmetic products, and peanut butter.
2. Iron Board- Sarah Boone, Blood Plasma-Dr. Charles Drew, and Toilet- T. Elkins
3. George T. Sampson invented the clothes dryer that used heat from the stove. Its significant because a clothes dryer is used on everyday basis to get wrinkles out of clothes and dry clothes.
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