artificial light

Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0
Exclusive means excluding influences from outside as much as possible and providing control by mechanical means such as air conditioning and artificiallight.
Prior to conducting the remote sensing measurements of healthy and stressed pepper canopies, three energy measurements of the seven artificiallight sources were completed.
It was also agreed that artificiallight should be of a good level, for use on dull days and at night.
The slots between beam and wall thus created in the floor structure are used as the primary source for artificiallight.
In every sense, therefore, they are highly protective forms, and numbers must necessarily escape detection, more especially when artificiallight has to be employed in searching for them.
Current guidelines assume that the lighting requirements for sports will be met by using artificial light sources (normally luminaires suspended from the roof in a regular arrangement).
For that purpose some form of artificiallight has to be used.
From the
Hansard archive