JECFA, an international body of experts, was established by FAO and WHO in 1956 and is in continuous operation since that date.
The "Gris," as its regulars refer to it, has been in continuous operation since 1776, and you can feel the age of the place.
The assessment and subsequent cultures revealed that the whirlpool spa in hall 3 was most likely the major source because it had been in continuous operation and its water had not been changed during the exhibition, unlike the whirlpool spa in hall 4. The bubblemats in halls 3 and 4 were demonstrated in room-temperature water, which was changed several times during the exhibition.
It has been in continuous operation since 1801 as an inn and dining place, catering at first to passengers traveling by stagecoach between Boston and Montreal.
It's been in continuous operation since 1873; Fridays at noon you can usually see the molten metal being poured.
Now it appears both will be in continuous operation into the foreseeable future.
While it appears from surviving evidence that after the decline of the Bronze Age civilisations copper production ceased in Cornwall, it seems that the tin mines were in continuous operation throughout the Roman period and the Middle Ages.
I am much more comfortable in motion thus being forced to sit still was of course a blessing, as all I could do was stare at the light which has been in continuous operation since it was first lit in 1855.
Third, the RWJF CSP has been in continuous operation for nearly 40 years, making it the oldest and largest program dedicated to clinical research and health policy leadership in the U.S [ 20].
It's inside White Cross Drugs, along a now-seedy stretch of the Strip in the shadow of the Stratosphere, and has been in continuous operation since 1957, except for the five days in 2005 when it closed to film scenes for the movie "Lucky You," which mostly didn't win over critics.
The winery has been in continuous operation ever since.
