NTSB provides update on Washington, D.C., plane crash
The NTSB says pilots of the airplane that crashed into a military helicopter in Washington, DC tried to quickly climb a second before the crash. The American Airlines flight crashed into a ...
The Efficient Engineer on MSN23h
How Things Are Made | An Animated Introduction to Manufacturing Processes
How are things made? In this video I take a look at the different types of manufacturing processes - forming, casting, molding, machining, joining and additive manufacturing - which are used to create ...