this is be cool 8) <a href=" http://www.valleyseakayaks.com/purchase-hoodia-gordonii.pdf#nurse ">p57 hoodia buy uk</a> Spacecraft also must be designed to take microgravity into account. During spacewalks, for example, astronauts require extra handholds and footholds on the exterior of their spacecraft so that they can anchor themselves and not float away. (Astronauts also attach to them in tethers in case they lose their grip.)