drwl
Abbr. for dry wall.
The weight of the materials, excluding water, used to make a batch of concrete.
The air temperature indicated by a dry-bulb thermometer after correction for the effects of radiation.
1. An ordinary thermometer. 2. The one of two thermometers in a psychrometer which has an unmoistened bulb.
A fire extinguishing system which is used to distribute an approved fire-extinguishing chemical by means of a gas under pressure.
Concrete having a low proportion of water so that the plastic mixture is relatively stiff; suitable for use in dry