私が大学卒業して社会人になった頃もそうでしたが、最初のチャンスって小さいんですよね。 One of several to start with recognised experiments on the connection involving combustion and air was executed because of the 2nd-century BCE Greek writer on mechanics, Philo of Byzantium. In his perform Pneumatica, Philo observed that inverting a vessel around a burning candle and encompassing the v... https://ryszardw614ufp1.bloggosite.com/profile