Welding machines and equipment are tools used in the manufacturing industry and in craft stores to fuse and permanently join metal parts by heating them. There are different types of welding machines and equipment that work in different ways and are suitable for different applications. Some of the common welding techniques are: Arc welding: Here, an arc is created between the metal to be welded and an electrode. The high temperatures cause the metal to melt and be welded. Arc welding techniques include TIG welding, MIG/MAG welding and electrode welding. Resistance welding: this technique uses pressure and current to weld the metal parts together. The current is passed through the metal parts to be welded, causing them to heat and fuse due to resistance. Laser and plasma welding: Here, a laser or plasma beam is used to weld the metal parts. The high energy of the beam melts the metal and provides a permanent bond. Choosing the right welder depends on the type of material, the size of the part to be welded, and the desired welding technique. Common welding equipment includes MIG/MAG welders, TIG welders, electrode welders, plasma and laser welders. The use of welding machines and equipment offers many advantages, such as a permanent and strong connection of metal parts, high productivity and efficiency in manufacturing, better quality of welds and much more.