Such bulbs are easily removed (5)

I believe the answer is:

light

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'such' is the definition.
Both the definition and answer are adjectives. Perhaps they are linked in a way I don't understand?

I don't understand the rest of the clue.

Can you help me to learn more?

(Other definitions for light that I've seen before include "Window; insubstantial" , "Pale" , "Hint, clue" , "Low in density" , "not profound" .)

I've seen this clue in the Evening Standard.

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