【井戸掘り】①新しい方法を考えてみました。激安井戸掘り開始①

The video of the second episode is here.    • 【人力井戸掘り】②　激安井戸掘り鞘管から塩ビ管へ   Please see this video for tool processing Newly developed well digging challenge 1 I want to introduce well digging that anyone can do №1 [Automatic subtitles with Vrew] Well tool processing 1 (straight joint processing method)    • 新開発　井戸掘り挑戦1　誰でも出来る井戸掘りを紹介したい　№1  【Vrewで自動字...   Newly developed well digging challenge 2 I tried an experiment to attach iron without welding. Well tool processing NO2 (method of screwing arrowheads to a single pipe)    • 新開発　井戸掘り挑戦2　溶接無しで鉄をくっつける実験をしてみた。井戸道具加工編NO2