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Thu, 10/12/2023 - 01:12	kunkun		Check this topic

Topic title: It can be said that the laser is one of the greatest inventions of man It was invented by Townes and Schalow in 1960 There are many types of lasers each with different uses In the medicine lasers are used as a scalpy because they are easy to control contr

Topic category: IELTS Writing Task II - IELTS Academic