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Shot bullets quickly.
Link: https://en.wikipedia.org/wiki/Richard_Jordan_Gatling

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Putting corn seed into soil deeply. Increasing corm productivity.
Link: https://www.biography.com/people/henry-blair-21319709

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Curing the patient easier and the patient feels comfortable.
Link: https://www.danmatthewsdds.com/history-dental-chairs/

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Having drinks without touch the edge of the cups
Link: https://www.bonappetit.com/entertaining-style/trends-news/article/history-of-the-straw

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Fountain pens make people to write conveniently. Not necessary to dip ink often.
Link: https://en.wikipedia.org/wiki/Lewis_Waterman

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Typewriter let's to record faster than writing.
Link: http://site.xavier.edu/polt/typewriters/tw-history.html

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Linus Yale Jr.made a lock works with pins. Increasing security in daily life.
LInk: https://www.britannica.com/biography/Linus-Yale

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World's first washing machine. Using manpower to operate
Link: https://www.thoughtco.com/g00/history-of-washing-machines-1992666?i10c.encReferrer=aHR0cHM6Ly93d3cuZ29vZ2xlLmNvbS8%3D

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Safety pins are used to chain the cloth. The needle is covered in the small metal to prevent injuries.
Link: https://www.thoughtco.com/g00/walter-hunt-profile-1991916?i10c.encReferrer=aHR0cHM6Ly93d3cuZ29vZ2xlLmNvbS8%3D

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A code system in telegraph. It simplified and encrypted the message.
Link: https://en.wikipedia.org/wiki/Morse_code

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This machine used manpower to operate. Washing utensils, plates and bowls at once
Link:
https://todayinsci.com/Events/Patent/DishwashingMachine7365.htm

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Stapler was invented in 1841. It fastens couple sheets of paper into one.
Link:
http://www.stapler.cn/history.asp

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Jacob Perkins invented a

refrigerator. It used Vapor-compression to keep the refrigerator cool.

Link:
http://www.historyofrefrigeration.com/refrigeration-invention/jacob-perkins/

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Issac Singer invented an affordable sewing machine for home and industrial use. Sewing with machines was faster than humans. He started his sewing machine business in 1857, Singer Sewing Co. Each sewing machines he made is only cost $10. Everyone could afford one.
Link: https://www.biography.com/people/isaac-singer-9485021

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Thomas Edison invented phonograph in 1899. It was used for playing recorded sounds.
Link:
https://www.biography.com/people/thomas-edison-9284349