Portable dock assembly
Portable environmental containment system
Portable flood barrier
Portable flood barrier section and a flood barrier
Portable form for lining irrigation ditches
Portable inflatable dike
Portable levee system and portable levee system bag
Portable water conveyance assembly
Portable watering & drainage system & combined heating system
Power driven transfer roll for flexible oil collector tube
Power generation
Power generation and hydraulic flow controlling facility
Prefabricated drain-pipe with longitudinal joints
Prefabricated portable indoor/outdoor natural grass sportsfield
Prefabricated subsurface drains
Pressure actuated flow control valve
Pressure balanced buoyant tether for subsea use
Pressurized gas filled tendons
Pressurized liquid circulation duct and method for the...
Prevention method of aquatic attaching fouling organisms and...