In Brazil, PAL is used in conjunction with the 525 line, 59.94 field/s system M, using (very nearly) the NTSC colour subcarrier frequency. Exact colour subcarrier frequency of PAL-M is 3.575611 MHz. Almost all other countries using system M use NTSC.n Brazil, PAL is used in conjunction with the 525 line, 59.94 field/s system M, using (very nearly) the NTSC colour subcarrier frequency. Exact colour subcarrier frequency of PAL-M is 3.575611 MHz. Almost all other countries using system M use NTSC.
Pure Tungsten (EWP) is typically used in welding aluminum. This provides the stable arc with AC welding and can be used with either Argon, Helium, or mix shielding gas. Pure Tungsten electrodes are marked by a green tip. Pure tungsten has the highest consumable rate of all the types, but they are cheaper too.
Guokun Casting, of Baoding Hebei is an ISO 9001-2008 registered iron and steel foundry & supplier of high quality carbon steel, alloy steel, stainless steel, wear resistant steel castings, gray iron casting, ductile iron casting, protype castings and machhined castings used in Power, Mining, Transporation, Agricultural, Automobile, bus and truck parts, valves, oil & Gas steel castings and Gear Industry.