United Bearing Co., Ltd. Tianjin Golden Harvest, Golden Harvest United States adhering to SKF, INA, FAG bearings and other foreign manufacturers of rigorous classical ...
... Read more
How do CNC routers work and what can you make with a CNC router? Today's desktop CNC routers accurately cut parts to size and can do decorative carving.
... Read more
Name Abbreviation Wavelength (nm) Photon energy (eV, aJ) Notes / alternative names Ultraviolet A UVA 315–400 3.10–3.94 (0.497–0.631) Long-wave, black light, not absorbed by the ozone layer
... Read more
MERKEL (THROUGH TRANSLATOR): I'm delighted to be able to welcome today, for the sixth time, the president of the United States of America, Barack Obama, to Germany.
... Read more