More recently, welding works were poems professionals who work demanded remarkable knowledge, qualifications and experience. But the most significant obstacle to the development of the welding business has always been the cost of welding position to Fortunately, modern technology allowed to change the situation radically. Work at the cottage and the garage became available through the invention of welding inverters, they work as a rectifier, but several times less volume and weight. In addition, they are equipped with a processor that constantly monitors the progress of the works, making the results more quality, and weld a soft that allows you to make quality welds, even unprofessional. That As for semi-automatic welding, all the complexity here has always been what to buy container for carbon dioxide, which acts as a protective gas welding bath, it was nearly impossible. In addition, the required constant filling of cylinders and their certification, which requires a lot of time, transportation costs and service costs. Now you can simply buy a special wire, which in itself already contains protective substances in the core rod wire in the form of powder.