LGK-85T / LGK-105T Air Plasma Cutting Machine (Digital, Trolley Type) Models covered: LGK-85T | LGK-105T Key Features Single-tube IGBT inverter technology for reliable, efficient performance. Built-in air pump eliminates the need for an external air supply, and includes an MMA stick welding function. High duty cycle, suitable for long continuous cutting operations. Non-contact high-frequency pilot arc ignition delivers a high success rate with low interference. Automatic