Russia 🇷🇺 @Russia
🗓 #OTD in 1894 a genius Soviet engineer & inventor Konstantin #Khrenov was born. In 1932 he became the first to introduce underwater welding & cutting of metals to the world. 🧑🏭 This tech was later widely used to repair bridges and ships during #WWII. #RussiansDidItFirst https://t.co/0C54b9fpAh — PolitiTweet.org