Modifies a noun

• walkway: Boats in the lock must be kept clear of the low-side penstock access walkway to avoid entrapment when the water level is raised.

• chamber: The penstock chamber for ejecting the waste into the sea is opposite the R.E. Store.

• gate: The project includes new inlet penstock gates, self cleaning trash racks and the first submersible bulb type turbine to be installed in Scotland.

Noun used with modifier

• low-side: Boats in the lock must be kept clear of the low-side penstock access walkway to avoid entrapment when the water level is raised.

• steel: Steel penstocks then direct the discharge into the station via inlet pipes and valves to start generation.