We expect people to have a labbook per project. They are logged when handed out, and signed back in at the end of the project. For a science/engineering firm,

We expect people to have a labbook per project. They are logged when handed out, and signed back in at the end of the project. For a science/engineering firm, this sort of arrangement isn't uncommon, because stuff you do in the lab leads to customer deliverables. Of course, people can also do things electronically, which they increasingly do.