Industry technology

Research Area	Technology	Year	Effects	Description & notes
Production	Basic Machine Tools	1936	+5% Production efficiency cap	Is necessary to start the Industry research line.
	Improved Machine Tools	1937	+10% Production efficiency cap
	Advanced Machine Tools	1939	+15% Production efficiency cap
	Assembly Line Production	1941	+20% Production efficiency cap
	Flexible Line	1943	+50% Production efficiency retention	Is mutually exclusive with Streamlined Line
	Streamlined Line	1943	+25% Production efficiency growth	Is mutually exclusive with Flexible Line
Industry	Concentrated Industry I to V	1936-1943	+20% Factory Output +20% Max Factories in a State	Is mutually exclusive with Dispersed Industry, Effects are cumulative for each Technology level
	Dispersed Industry I to V	1936-1943	+20% Max Factories in a State +10% Production Efficiency Retention +5% Production Efficiency Base +10% Factory Output −10% Factory Bomb Vulnerability	Is mutually exclusive with Concentrated Industry, Effects are cumulative for each Technology level
Construction	Construction I	1936	+10% Construction Speed	Is necessary to unlock Excavation I
	Excavation I	1936	+10% Resource Gain Efficiency
	Construction II	1937	+10% Construction Speed	Is necessary to unlock Excavation II
	Excavation II	1937	+10% Resource Gain Efficiency
	Construction III	1939	+50% Factory Repair Speed	Is necessary to unlock Excavation III
	Excavation III	1939	+10% Resource Gain Efficiency
	Construction IV	1941	+10% Construction Speed	Is necessary to unlock Excavation IV
	Excavation IV	1941	+10% Resource Gain Efficiency
	Construction V	1943	+10% Construction Speed	Is necessary to unlock Excavation V
	Excavation V	1943	+10% Resource Gain Efficiency
Synthetic Oil	Synthetic Oil Experiments	1936	Enables building:  Synthetic refinery (level 1)
	Oil Plant	1936	Enables building:  Synthetic refinery (level 2)
	Improved Oil Plant	1939	Enables building:  Synthetic refinery (level 3)
	Advanced Oil Plant	1943	Enables building:  Synthetic refinery (level 4)

Research

Naval

Naval · Naval Doctrine

Air	Air · Air Doctrine

Industry

Engineering · Industry