But in the 1850's, six of them turned up on a farm where they were being used as coverings to protect potatoes against frost.

From the water company stopcock, the service pipe runs underground (buried at least 750mm down for protection against frost) and enters the house.

They should be clamped in reasonably dry conditions with adequate protection against frost.

To avoid getting caught out over Christmas, it is as well to protect your plants against frost.

It provides better air circulation than fleece and gives some protection against frost.

The sheet was used to protect the school lawn against frost from 18 March until 6 April 2011.

Line the container with some bubble wrap to insulate against frost.

Nicotiana x sanderae are not hardy against frost and will die if they come in contact with it.

Among prevailing theories is that they provide protection against sun, frost or dessication.

To protect against frost, most of the aqueduct ran about 1 m below the Earth's surface.