1 Single breath of 100% O2. 2  During the following expiration, [N2] increases from 0% (pure dead space gas) to equilibrium (pure alveolar gas) (i.e. plateau). 3  Using [N2] vs. 4  graph, anatomical dead space is taken to be at the mid-point of the transition from conducting zone to gas exchange zone.
Best Black Garden Hose Holder wall mount-Durable , very powerful hanger it can hold 100ft heavy hose -keep your backyard neat and clean. Currently unavailable. We don't know when or if this item will be back in stock.
Liebherr LR13000 with max. lattice boom: The worldâs tallest crawler crane. The Liebherr LR13000 is not only the most powerful conventional crawler crane in the world, it is now also the highest. In July it was erected in its maximum lattice boom configuration at the manufacturing plant in Ehingen, Germany.