One of the handouts available proposed "coating the canal's floor with a clay-type sealant known as AquaBlok," which would presumably take care of the microbial colonies.
The last stop of the day is Casa de Barro (House of Clay) in Santa María Tavehua and, as its name suggests so well, the headquarters of the organization is a two-floor adobe house with clay animal sculptures adorning its walls and ceiling.
The floor has been plastered with clay and the walls are built on columns of tree trunks.
In one room with chandeliers, Mr. Goldsworthy, rather audaciously, laid down a floor of clay.
The ideal floor for goats is gravel with clay on top of it.
The Irish game of handball was originally played on a hard clay floor, with one wall of stone at the front of the court, against which the ball was struck.
That means homes, mostly done in the locally popular Mediterranean style, with the latest amenities -- granite countertops, wood floors -- and with clay-tile roofs that have hardly begun to fade.
At the back of the entry level is a glassed-in sun porch with clay tile and terrazzo flooring that runs nearly the length of the house and overlooks Pease Park.
Fibres have been used since Biblical times to strengthen brittle matrices; for example straw and horse-hair was mixed with clay to form bricks and floors.
The eighth floor, for infants, illustrates the growth of a seed with clay models.
Much of its drainage basin of 22,000 square miles (57,000 square km) is floored with silt and clay deposited on the bottom of what was once glacial Lake Souris; this fertile soil forms the basis of a productive agricultural area known for its hard, red spring wheat.
