critical
131Critical hours — is that time from sunrise to two hours after sunrise, and from two hours before sunset until sunset, local time. During that time, certain American radio stations may be operating with reduced power as a result of Section 73.187 of the Federal… …
132Critical mass (agency) — Critical Mass is an interactive marketing agency based in Calgary, Alberta, Canada. Founded in 1996 (celebrating their 15th year in business in 2011), they have expanded to include primary offices in Chicago and Toronto. Account offices exist in …
