As director of engineering for the Boston Marriott Cambridge, Robert Vass knows that each mechanical decision he makes for the hotel has 431 opportunities to fail. That’s the number of guestrooms at ...
When parts of the heart, such as the valves, do not work properly, it is possible to repair or replace them. The aortic and mitral valves are the ones that surgeons most commonly replace. Most valve ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results