21. 9. 20165 735 zhlédnutíThe folding MU2Z model consists of two units of the universal flail mowers MU profi. It is suitable for very large areas in crop farming. The folding between...
18. 11. 20214 zhlédnutíThe x-z plane separates two media A and B of refractive indices mu_(1) = 1.5 and mu_(2) = 2. A ray of light travels from A to B. Its directionsin the two med...
16. 6. 2013747 zhlédnutíA video of the arrival into runway 1C at Dulles International Airport (KIAD) and then taxiing into the Smithsonian Institute's Udvar-Hazy Air and Space Museu...