The lever on a lightning control console that simultaneously dims all the channels from one cut to the next

The lever on a lighting control console that simultaneously dims all the channels from one cut to the next is a crossfader.

A crossfader can be defined as a control on a DJ mixer that allows the mixes to be created, so nowadays is a very basic tool.

The crossfaders became common in the '70s when they were used by the DJ to make mixes.

ccd puts the honeybee populations and crop health at risk.

the above detail from paragraph 2 supports the inference about honeybee.