1- The fluorescent lights in that area are not working.
2- The isn't any light box for the mashgiach to use.
3- Note: A mashgiach is supposed to "check" the vegetables after the food service employee washed it according to the direction of the mashgiach. The Mashgiach was doing the actual washing, getting himself all wet. Oblivious to anything going on in the kitchen at the time-many kashrus issues may arise, fire went out, etc.
They give to mashgiach a case of celery to wash, a case of leek to wash, some boxes of strawberries to wash, etc and you have all year purim in the kitchen.
Welcome to the world of KCL kashrus. It's not only the
vegetables that one should not consume, R"L.