;
Grand Professor of the hydrofluric sciences
Internal rejection
It's Darwinian
Perfect dry run
Protoplasm survey complete
Protoplasm survey: the mines
Running with water
Water recycling
Mine machinery specialist
Master mechanist
Going spelunky
Protoplasm survey: the orchard
Liquid propellant rocketman
Windmill repair consultant
Handle with care
Research Fellow of the hydrofluric sciences
Doctor of the hydrofluric sciences
Protoplasm survey: the factory
Factory line repair