Thomas and Maxim were working for Provinciale Ontwikkelingsmaatschappij Antwerpen (they take care of the roads in Antwerp). One would dig a hole and the other would follow behind and fill the hole in.
Apparently, this is an actual letter of resignation from an employee at "Zantex Computers", Australia, to his boss, J Pilgrim. His boss, known as Pilly, apparently resigned very soon afterwards!
This concerns a question in a physics degree exam at the University of Copenhagen: "Describe how to determine the height of a skyscraper with a barometer."