Shade is put into one of a series of metal troughs.

The shaft containing the final edge is then mounted in a metal trough, or "boat", and cemented, usually with an epoxy plastic.

In the middle, a mountain of limp church candles fills a huge metal trough.

Along one wall of the kitchen a metal trough - or was it metal, exactly?

The men scrambled atop it, lashed its legs tight and placed a metal trough under its neck.

The water running through the metal trough winding back and forth inside the building past the displays.

In Toulouse France, it carries the canal over a four-lane highway in a metal trough.

There were eating-rooms where, in metal troughs divided into bowl-like compartments, were the remains of bizarre and unidentifiable foods.

He enclosed all this in an attractive long metal trough that became the ridge of the roof.

Candles flickered in long black metal troughs filled with sand.