Again something learned... I didn't know what "Canada's 100 days" means. Thanks to our big sister Wikipedia I learned that.
The penultimate paragraph is impressing. "The First World War Database was the first time LAC had undertaken a digitization project of such magnitude, requiring so many resources, both technological and human. Beginning in 2013, a team painstakingly reviewed hundreds of thousands of military files, page by page, removing pins, clips and staples of all sorts. Conservators then carefully removed the adhesive from thousands of pages, separating each one to make it easier to digitize."