Assertion: channel letter | /r/AtLocation | the united states
Facets:
value: increasingly
type: DEGREE
Source sentences:
text: Since the advent of LED lighting technology, channel letters have become thinner in depth, decreasing to as shallow as 2–3 in (50–80 mm) from 5–6 in (130–150 mm), a trend which began in Europe, and is seen increasingly in the United States.