Amy Sakariassen, part of the team working on the project, was toiling away with a brush whose bristles had been ground down to nubs.
"It really is wonderful to work on it," she said, as Begin used a sharp instrument to pick away tiny bits of rock and unveil a scale.
Archaeologists deserve sainthood for this sort of work. Imagine brushing away dust until the bristles are ground down to nubs... and then getting a new brush.
I don't know how they do it without going mad, but I salute them!