Antwort auf den Beitrag "Re:viel Interessanter" posten:
Nickname:		Passwort:
Thema:
Nachricht:	>Die Grafik war mir zu hektisch, zu schlecht lesbar, schlecht skaliert. > >In dem Account ein paar Tweets weiter zurück war aber was interessantes: > >[https://twitter.com/GalacCuriosity/status/1127755411619221505] >[b:Lunar tunnel engineers excited by boring Moon colonies] >[i:As space agencies prepare to return humans to the Moon, top engineers are racing to design a tunnel boring machine capable of digging underground colonies for the first lunar inhabitants. ] > >[h: What is the difference between Drilling and Boring? > >• Drilling is the process of perforating a solid material surface using a drill bit to create a cavity. The surface of the drilling is rough, and the edges of the entrance may be rugged. > >• Boring is the process of cutting the internal surfaces of an existing hole, where the goal may be enlarging the hole or to achieve higher tolerance and finish in the product. >[https://www.quora.com/What-is-the-difference-between-drilling-and-boring]]
	mailbenachrichtigung?