Industry technology

Research Area	Technology	Year	Effects	Description & notes
Production	Basic Machine Tools	1936	+10% Production efficiency cap	Is necessary to start the Industry research line.
	Improved Machine Tools	1937	+10% Production efficiency cap	Is necessary to unlock Improved Equipment Conversion.
	Improved Equipment Conversion	1937	+40% Conversion speed bonus
	Advanced Machine Tools	1939	+10% Production efficiency cap
	Advanced Equipment Conversion	1939	+40% Conversion speed bonus
	Assembly Line Production	1941	+10% Production efficiency cap
	Flexible Line	1943	+20% Production efficiency retention +10% Production efficiency cap	Is mutually exclusive with Streamlined Line.
	Streamlined Line	1943	+10% Production efficiency growth +10% Production efficiency cap	Is mutually exclusive with Flexible Line.
Industry	Concentrated Industry I to V	1936-1943	+15% Factory Output +10% Dockyard Output +20% Max Factories in a State	Is mutually exclusive with Dispersed Industry. Effects are cumulative for each Technology level.
	Dispersed Industry I	1936	+10% Factory Output +10% Dockyard Output +10% Production Efficiency Retention +5% Production Efficiency Base +20% Conversion Speed Bonus −10% Factory Bomb Vulnerability +20% Max Factories in a State	Is mutually exclusive with Concentrated Industry. Unlike level II through V, dispersed industry I also gives a +20% conversion speed bonus.
	Dispersed Industry II to V	1939-1943	+10% Factory Output +10% Dockyard Output +10% Production Efficiency Retention +5% Production Efficiency Base −10% Factory Bomb Vulnerability +20% Max Factories in a State	Is mutually exclusive with Concentrated Industry. Effects are cumulative for each Technology level.
Construction	Construction I	1936	+10% Construction Speed +10% Factory Repair Speed	Is necessary to unlock Excavation I.
	Excavation I	1936	+10% Resource Gain Efficiency
	Construction II	1937	+10% Construction Speed +10% Factory Repair Speed	Is necessary to unlock Excavation II.
	Excavation II	1937	+10% Resource Gain Efficiency
	Construction III	1939	+10% Construction Speed +10% Factory Repair Speed	Is necessary to unlock Excavation III.
	Excavation III	1939	+10% Resource Gain Efficiency
	Construction IV	1941	+10% Construction Speed +10% Factory Repair Speed	Is necessary to unlock Excavation IV.
	Excavation IV	1941	+10% Resource Gain Efficiency
	Construction V	1943	+10% Construction Speed +10% Factory Repair 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