Geologist / Building	
	Miner (Ore Harvester)
	Civilain Building Architect 
	Military building Architect 

	
	
Electrician	
	Computers
	Computer Expert
	Computer Specialist 
	
	Energy Weapons
	Energy Weapons Expert
	Energy Weapons Specialist (Laser Heat Sink)
	
	Missile Weapons
	Missile Weapons Expert
	Missile Weapons Specialist
	
	Engines 
		
	
Mechanic	
	Armor Crafting Class A
	Armor Crafting Class B
	Armor Crafting Class C
	Mech Structure Class A
	Mech Structure Class B
	Mech Structure Class C
	Ballistic Weapons
	Ballistic Weapons Expert
	Ballistic Weapons Specialist
	Tracked Structure
	Wheeled Structure
	Hover Structure
	Engine / Heat Sinks
	Aero-space Structure
	Power Armor Structure
	
Medical	
	First Aid
	Bio-Mechanics
	Surgery
	Drugs
	
Bio-Engineering	
	Bio Filters (Liquid Harvester)
	Bio Condenser (Gas Harvester)
	Bio-Repair