Yes, Pat - we bring all our own food and drink (though family/friend is allowed in to bring us a dinner like pizza or something). Both the Deputy Returning Officer and the Poll Clerk have to be at the table for an elector to vote.

So - when it's slow, run to the loo, eat something, etc! And also bring a book.

Kind of like a long day in retail - rushes and slow times. But at least we get to sit down! And count ballots! Exciting!