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Hire people to stand at the entrance with a hand-counter (one for entry, one for exit). Have them jot down the count every half hour. Cheap, easy, foolproof.
by Dutchie987 2y ago
Hire people to stand at the entrance with a hand-counter (one for entry, one for exit). Have them jot down the count every half hour. Cheap, easy, foolproof.
- utkarsh858 2y agoAccording that for certain reasons, and also volunteers are to much engaged