LIPI Marketing [P] Ltd offers Low Weight Hot Air Tools and Machines. It is optimized for overhead welding and is ideal for thin materials in civil engineering and tunnel construction. Exchangeable comb wedges are also available for welding with or without a test channel. LIPI Marketing [P] Ltd offered Low Weight Hot Air Tools and Machines are easy to operate. It has a high welding speed, controlled temperature and drive. The hot air system offers fine welding even in harsh environmental conditions.