Set that occurs during tension, which tends to increase the dimensions of the wood after drying. Tension set usually occurs in the outer layers of wood during drying.

A temporary assembly tool or fixture made up of guides and supports that helps maintain correct stick alignment, square sides, and plumb ends during the construction of timber racks or frames.

The wet-bulb temperature is measured using a thermometer whose bulb is wrapped in a water-saturated cloth (called a wick). It reflects the cooling effect of evaporation. It is always lower than or equal to the dry-bulb temperature and it indicates the humidity level: the more moisture in the air, the closer WBT is to DBT. Wet-bulb temperature is important in kiln drying, as it helps determine how fast timber can safely lose moisture

The dry-bulb temperature is the actual air temperature, measured by a standard thermometer exposed to the air but shielded from radiation and moisture.