Pipeline installations in the nature of machines used for lining the interior of sewage lines, water lines and oil pipelines, used for road and building renovation; Industrial machine systems for the construction, cleaning and renovation of pipelines; Machines for the construction, cleaning and renovation of pipelines, namely, pigs and wire brushes being part of the machine; Pneumatic and hydraulic machines, namely, portable pressure locks for feeding tube liners into pipelines; Parts for por...