Pyanodons

Hot air

hot-air · fluid · first available in tier 1: pY science pack 1

Produced by 5

Hot air ⏱ 2s · tier 1
Made in: Regenerative heat exchangerUnlocked by: Hot air - Stage 1
Hot air ⏱ 2s · tier 2
Made in: Regenerative heat exchangerUnlocked by: Hot air - Stage 2
Hot air ⏱ 2s · tier 5
Made in: Regenerative heat exchangerUnlocked by: Hot air - Stage 3
Hot air ⏱ 15s · tier 6
Made in: Simik BoilerUnlocked by: Domestication - Stage 4
Hot air ⏱ 8s · tier 7
Made in: Gas refinery MK 01 Gas refinery MK 02 Gas refinery MK 03 Gas refinery MK 04Unlocked by: Phagnots - Stage 3

Used in 96

Aerial turbine MK 01 ⏱ 50s · tier 1
Made in: Burner assembling machine MK 01 Burner assembling machine MK 02 Burner assembling machine MK 03 Automated factory MK 01 Automated factory MK 02 Automated factory MK 03 +1Unlocked by: Renewables - Stage 1
Aluminium plate ⏱ 4s · tier 1
Made in: Casting unit MK 01 Casting unit MK 01 (Legacy) Casting unit MK 02 Casting unit MK 02 (Legacy) Casting unit MK 03 Casting unit MK 03 (Legacy) +2Unlocked by: Aluminium processing - Stage 1
Empty petri dish ⏱ 3s · tier 1
Made in: Glassworks MK 01 Glassworks MK 02 Glassworks MK 03 Glassworks MK 04Unlocked by: Hot air - Stage 1
Flue gas ⏱ 2s · tier 1
Made in: Gas refinery MK 01 Gas refinery MK 02 Gas refinery MK 03 Gas refinery MK 04Unlocked by: Composting
Glass ⏱ 3s · tier 1
Made in: Glassworks MK 01 Glassworks MK 02 Glassworks MK 03 Glassworks MK 04Unlocked by: Hot air - Stage 1
Glassware ⏱ 3s · tier 1
Made in: Glassworks MK 01 Glassworks MK 02 Glassworks MK 03 Glassworks MK 04Unlocked by: Hot air - Stage 1
Iron plate ⏱ 4s · tier 1
Made in: Casting unit MK 01 Casting unit MK 01 (Legacy) Casting unit MK 02 Casting unit MK 02 (Legacy) Casting unit MK 03 Casting unit MK 03 (Legacy) +2Unlocked by: Iron processing - Stage 1
Optical set ⏱ 3s · tier 1
Made in: Glassworks MK 01 Glassworks MK 02 Glassworks MK 03 Glassworks MK 04Unlocked by: Laboratory Equipment
Retrovirus ⏱ 5s · tier 1 · prod ✓
Made in: Incubator MK 01 Incubator MK 02 Incubator MK 03 Incubator MK 04Unlocked by: Genetics - Stage 2
Acid gas ⏱ 4s · tier 2
Made in: Gas refinery MK 01 Gas refinery MK 02 Gas refinery MK 03 Gas refinery MK 04Unlocked by: Petroleum gas processing - Stage 1
Arqad empty honeycomb ⏱ 6s · tier 2
Made in: Casting unit MK 01 Casting unit MK 01 (Legacy) Casting unit MK 02 Casting unit MK 02 (Legacy) Casting unit MK 03 Casting unit MK 03 (Legacy) +2Unlocked by: Arqad - Stage 1
Carbon dioxide ⏱ 4s · tier 2
Made in: Gas refinery MK 01 Gas refinery MK 02 Gas refinery MK 03 Gas refinery MK 04Unlocked by: Petroleum gas processing - Stage 1
Cobalt fluoride ⏱ 10s · tier 2 · prod ✓
Made in: Chemical plant Chemical plant MK 01 Chemical plant MK 02 Chemical plant MK 03 Chemical plant MK 04Unlocked by: Cobalt processing - Stage 1
Copper plate ⏱ 4s · tier 2
Made in: Casting unit MK 01 Casting unit MK 01 (Legacy) Casting unit MK 02 Casting unit MK 02 (Legacy) Casting unit MK 03 Casting unit MK 03 (Legacy) +2Unlocked by: Copper processing - Stage 2
Glassware ⏱ 3s · tier 2
Made in: Glassworks MK 01 Glassworks MK 02 Glassworks MK 03 Glassworks MK 04Unlocked by: Quartz processing - Stage 2
Hydrogen ⏱ 4s · tier 2
Made in: Gas refinery MK 01 Gas refinery MK 02 Gas refinery MK 03 Gas refinery MK 04Unlocked by: Petroleum gas processing - Stage 1
Lead plate ⏱ 4s · tier 2
Made in: Casting unit MK 01 Casting unit MK 01 (Legacy) Casting unit MK 02 Casting unit MK 02 (Legacy) Casting unit MK 03 Casting unit MK 03 (Legacy) +2Unlocked by: Lead processing - Stage 2
Methanol ⏱ 6s · tier 2
Made in: Methanol reactor MK 01 Methanol reactor MK 02 Methanol reactor MK 03 Methanol reactor MK 04Unlocked by: Methanol processing
Methanol ⏱ 6s · tier 2
Made in: Methanol reactor MK 01 Methanol reactor MK 02 Methanol reactor MK 03 Methanol reactor MK 04Unlocked by: Methanol processing
Nickel plate ⏱ 4s · tier 2
Made in: Casting unit MK 01 Casting unit MK 01 (Legacy) Casting unit MK 02 Casting unit MK 02 (Legacy) Casting unit MK 03 Casting unit MK 03 (Legacy) +2Unlocked by: Nickel processing - Stage 2
Plastic bar ⏱ 20s · tier 2
Made in: Chemical plant Chemical plant MK 01 Chemical plant MK 02 Chemical plant MK 03 Chemical plant MK 04Unlocked by: Plastics 2
Solder ⏱ 4s · tier 2
Made in: Casting unit MK 01 Casting unit MK 01 (Legacy) Casting unit MK 02 Casting unit MK 02 (Legacy) Casting unit MK 03 Casting unit MK 03 (Legacy) +2Unlocked by: Solder - Stage 2
Steel plate ⏱ 4s · tier 2
Made in: Casting unit MK 01 Casting unit MK 01 (Legacy) Casting unit MK 02 Casting unit MK 02 (Legacy) Casting unit MK 03 Casting unit MK 03 (Legacy) +2Unlocked by: Steel - Stage 2
Steel tile ⏱ 0.5s · tier 2
Made in: Casting unit MK 01 Casting unit MK 01 (Legacy) Casting unit MK 02 Casting unit MK 02 (Legacy) Casting unit MK 03 Casting unit MK 03 (Legacy) +2Unlocked by: Floor tiles - Stage 2
Subcritical water MK 03 ⏱ 5s · tier 2
Made in: Heat exchanger MK01 Heat exchanger MK02 Heat exchanger MK03 Heat exchanger MK04Unlocked by: Biotechnology - Stage 2
Syngas ⏱ 4s · tier 2
Made in: Gas refinery MK 01 Gas refinery MK 02 Gas refinery MK 03 Gas refinery MK 04Unlocked by: Petroleum gas processing - Stage 1
Tin plate ⏱ 4s · tier 2
Made in: Casting unit MK 01 Casting unit MK 01 (Legacy) Casting unit MK 02 Casting unit MK 02 (Legacy) Casting unit MK 03 Casting unit MK 03 (Legacy) +2Unlocked by: Tin processing - Stage 2
Wax ⏱ 4s · tier 2
Made in: High pressure furnace MK 01 High pressure furnace MK 02 High pressure furnace MK 03 High pressure furnace MK 04Unlocked by: Arqad - Stage 1
Wax ⏱ 4s · tier 2
Made in: High pressure furnace MK 01 High pressure furnace MK 02 High pressure furnace MK 03 High pressure furnace MK 04Unlocked by: Arqad - Stage 1
Zinc plate ⏱ 4s · tier 2
Made in: Casting unit MK 01 Casting unit MK 01 (Legacy) Casting unit MK 02 Casting unit MK 02 (Legacy) Casting unit MK 03 Casting unit MK 03 (Legacy) +2Unlocked by: Zinc processing - Stage 2
Dried grod ⏱ 5s · tier 4 · prod ✓
Made in: Evaporator MK 01 Evaporator MK 01 (Legacy) Evaporator MK 02 Evaporator MK 02 (Legacy) Evaporator MK 03 Evaporator MK 03 (Legacy) +2Unlocked by: Grod - Stage 1
Fatty Acids ⏱ 5s · tier 4
Made in: Chemical plant Chemical plant MK 01 Chemical plant MK 02 Chemical plant MK 03 Chemical plant MK 04Unlocked by: EVA (Ethylene-vinyl acetate)
Glass core ⏱ 3.5s · tier 4
Made in: Glassworks MK 01 Glassworks MK 02 Glassworks MK 03 Glassworks MK 04Unlocked by: Fine electronics
Shaft MK02 ⏱ 40s · tier 4 · prod ✓
Made in: Casting unit MK 01 Casting unit MK 01 (Legacy) Casting unit MK 02 Casting unit MK 02 (Legacy) Casting unit MK 03 Casting unit MK 03 (Legacy) +2Unlocked by: Machine Components - Stage 2
Stainless steel ⏱ 4s · tier 4
Made in: Casting unit MK 01 Casting unit MK 01 (Legacy) Casting unit MK 02 Casting unit MK 02 (Legacy) Casting unit MK 03 Casting unit MK 03 (Legacy) +2Unlocked by: Stainless steel - Stage 1
Titanium plate ⏱ 4s · tier 4
Made in: Casting unit MK 01 Casting unit MK 01 (Legacy) Casting unit MK 02 Casting unit MK 02 (Legacy) Casting unit MK 03 Casting unit MK 03 (Legacy) +2Unlocked by: Titanium processing - Stage 2
Wind Vane MK02 ⏱ 20s · tier 4
Made in: Casting unit MK 01 Casting unit MK 01 (Legacy) Casting unit MK 02 Casting unit MK 02 (Legacy) Casting unit MK 03 Casting unit MK 03 (Legacy) +2Unlocked by: Wind Power - Stage 2
Acetaldehyde ⏱ 10s · tier 5 · prod ✓
Made in: Chemical plant Chemical plant MK 01 Chemical plant MK 02 Chemical plant MK 03 Chemical plant MK 04Unlocked by: Tributyl Phosphate
Advanced casting ⏱ 4s · tier 5
Made in: Casting unit MK 01 Casting unit MK 01 (Legacy) Casting unit MK 02 Casting unit MK 02 (Legacy) Casting unit MK 03 Casting unit MK 03 (Legacy) +2Unlocked by: Casting - Stage 2
Ammonium Mixture ⏱ 10s · tier 5 · prod ✓
Made in: Mixer MK 01 Mixer MK 02 Mixer MK 03 Mixer MK 04Unlocked by: Aluminium processing - Stage 3
Arqad maggots MK 02 ⏱ 50s · tier 5
Made in: Incubator MK 01 Incubator MK 02 Incubator MK 03 Incubator MK 04Unlocked by: Arqad - Stage 2
Bolts ⏱ 5s · tier 5 · prod ✓
Made in: Casting unit MK 01 Casting unit MK 01 (Legacy) Casting unit MK 02 Casting unit MK 02 (Legacy) Casting unit MK 03 Casting unit MK 03 (Legacy) +2Unlocked by: Casting - Stage 2
Chromium ⏱ 4s · tier 5
Made in: Casting unit MK 01 Casting unit MK 01 (Legacy) Casting unit MK 02 Casting unit MK 02 (Legacy) Casting unit MK 03 Casting unit MK 03 (Legacy) +2Unlocked by: Chromium processing - Stage 3
Cobalt chromium alloy ⏱ 6s · tier 5
Made in: Smelter MK 01 Smelter MK 02 Smelter MK 03 Smelter MK 04Unlocked by: Alloy smelting - Stage 3
Copper cable ⏱ 4s · tier 5 · prod ✓
Made in: Casting unit MK 01 Casting unit MK 01 (Legacy) Casting unit MK 02 Casting unit MK 02 (Legacy) Casting unit MK 03 Casting unit MK 03 (Legacy) +2Unlocked by: Casting - Stage 2
Dhilmo cub ⏱ 80s · tier 5 · prod ✓
Made in: Dhilmo pool MK 01 Dhilmo pool MK 02 Dhilmo pool MK 03 Dhilmo pool MK 04Unlocked by: Dhilmos - Stage 1
Glass fibers ⏱ 15s · tier 5
Made in: Glassworks MK 01 Glassworks MK 02 Glassworks MK 03 Glassworks MK 04Unlocked by: Fiberglass
Glassware ⏱ 5s · tier 5
Made in: Glassworks MK 01 Glassworks MK 02 Glassworks MK 03 Glassworks MK 04Unlocked by: Quartz processing - Stage 3
Gold plate ⏱ 3s · tier 5
Made in: Basic oxygen furnace MK 01 Basic oxygen furnace MK 02 Basic oxygen furnace MK 03 Basic oxygen furnace MK 04Unlocked by: Gold processing
Iron gear wheel ⏱ 4s · tier 5 · prod ✓
Made in: Casting unit MK 01 Casting unit MK 01 (Legacy) Casting unit MK 02 Casting unit MK 02 (Legacy) Casting unit MK 03 Casting unit MK 03 (Legacy) +2Unlocked by: Casting - Stage 2
Iron stick ⏱ 6s · tier 5 · prod ✓
Made in: Casting unit MK 01 Casting unit MK 01 (Legacy) Casting unit MK 02 Casting unit MK 02 (Legacy) Casting unit MK 03 Casting unit MK 03 (Legacy) +2Unlocked by: Casting - Stage 2
Neodymium ferroboron alloy ⏱ 4s · tier 5
Made in: Smelter MK 01 Smelter MK 02 Smelter MK 03 Smelter MK 04Unlocked by: Magnetic Core
Nexelit plate ⏱ 4s · tier 5
Made in: Casting unit MK 01 Casting unit MK 01 (Legacy) Casting unit MK 02 Casting unit MK 02 (Legacy) Casting unit MK 03 Casting unit MK 03 (Legacy) +2Unlocked by: Nexelit processing - Stage 2
Pipe ⏱ 4s · tier 5 · prod ✓
Made in: Casting unit MK 01 Casting unit MK 01 (Legacy) Casting unit MK 02 Casting unit MK 02 (Legacy) Casting unit MK 03 Casting unit MK 03 (Legacy) +2Unlocked by: Casting - Stage 2
Pipe to ground ⏱ 4s · tier 5 · prod ✓
Made in: Casting unit MK 01 Casting unit MK 01 (Legacy) Casting unit MK 02 Casting unit MK 02 (Legacy) Casting unit MK 03 Casting unit MK 03 (Legacy) +2Unlocked by: Casting - Stage 2
Pyridine ⏱ 10s · tier 5 · prod ✓
Made in: Fluidised bed reactor MK 01 Fluidised bed reactor MK 02 Fluidised bed reactor MK 03 Fluidised bed reactor MK 04Unlocked by: Tributyl Phosphate
Refined syngas ⏱ 4s · tier 5
Made in: Gas refinery MK 01 Gas refinery MK 02 Gas refinery MK 03 Gas refinery MK 04Unlocked by: Petroleum gas processing - Stage 2
Shaft MK01 ⏱ 20s · tier 5 · prod ✓
Made in: Casting unit MK 01 Casting unit MK 01 (Legacy) Casting unit MK 02 Casting unit MK 02 (Legacy) Casting unit MK 03 Casting unit MK 03 (Legacy) +2Unlocked by: Casting - Stage 2
Silver plate ⏱ 4s · tier 5
Made in: Casting unit MK 01 Casting unit MK 01 (Legacy) Casting unit MK 02 Casting unit MK 02 (Legacy) Casting unit MK 03 Casting unit MK 03 (Legacy) +2Unlocked by: Silver - Stage 2
Super steel ⏱ 4s · tier 5
Made in: Casting unit MK 01 Casting unit MK 01 (Legacy) Casting unit MK 02 Casting unit MK 02 (Legacy) Casting unit MK 03 Casting unit MK 03 (Legacy) +2Unlocked by: Super steel - Stage 1
Tin rare earth alloy ⏱ 6s · tier 5
Made in: Smelter MK 01 Smelter MK 02 Smelter MK 03 Smelter MK 04Unlocked by: Magnetic Core
Tinned cable ⏱ 4s · tier 5 · prod ✓
Made in: Casting unit MK 01 Casting unit MK 01 (Legacy) Casting unit MK 02 Casting unit MK 02 (Legacy) Casting unit MK 03 Casting unit MK 03 (Legacy) +2Unlocked by: Casting - Stage 2
Arqad maggots MK 03 ⏱ 50s · tier 6
Made in: Incubator MK 01 Incubator MK 02 Incubator MK 03 Incubator MK 04Unlocked by: Arqad - Stage 3
Dry carbon fiber ⏱ 20s · tier 6
Made in: Evaporator MK 01 Evaporator MK 01 (Legacy) Evaporator MK 02 Evaporator MK 02 (Legacy) Evaporator MK 03 Evaporator MK 03 (Legacy) +2Unlocked by: Carbon Fiber Technology
Methanol ⏱ 6s · tier 6
Made in: Methanol reactor MK 01 Methanol reactor MK 02 Methanol reactor MK 03 Methanol reactor MK 04Unlocked by: Methanol processing
Methanol ⏱ 6s · tier 6
Made in: Methanol reactor MK 01 Methanol reactor MK 02 Methanol reactor MK 03 Methanol reactor MK 04Unlocked by: Methanol processing
Methanol ⏱ 6s · tier 6
Made in: Methanol reactor MK 01 Methanol reactor MK 02 Methanol reactor MK 03 Methanol reactor MK 04Unlocked by: Methanol processing
Methanol ⏱ 6s · tier 6
Made in: Methanol reactor MK 01 Methanol reactor MK 02 Methanol reactor MK 03 Methanol reactor MK 04Unlocked by: Methanol processing
Shaft MK03 ⏱ 50s · tier 6 · prod ✓
Made in: Casting unit MK 01 Casting unit MK 01 (Legacy) Casting unit MK 02 Casting unit MK 02 (Legacy) Casting unit MK 03 Casting unit MK 03 (Legacy) +2Unlocked by: Machine Components - Stage 3
Butyrolactone (GBL) ⏱ 10s · tier 7 · prod ✓
Made in: Chemical plant Chemical plant MK 01 Chemical plant MK 02 Chemical plant MK 03 Chemical plant MK 04Unlocked by: BioFET
Dichloromethane (DCM) ⏱ 10s · tier 7
Made in: Fluidised bed reactor MK 01 Fluidised bed reactor MK 02 Fluidised bed reactor MK 03 Fluidised bed reactor MK 04Unlocked by: Battery - Stage 4
Drill head ⏱ 10s · tier 7 · prod ✓
Made in: Casting unit MK 01 Casting unit MK 01 (Legacy) Casting unit MK 02 Casting unit MK 02 (Legacy) Casting unit MK 03 Casting unit MK 03 (Legacy) +2Unlocked by: Drill heads - Stage 3
Engine unit ⏱ 5s · tier 7 · prod ✓
Made in: Casting unit MK 01 Casting unit MK 01 (Legacy) Casting unit MK 02 Casting unit MK 02 (Legacy) Casting unit MK 03 Casting unit MK 03 (Legacy) +2Unlocked by: Casting - Stage 3
Equipment chassis ⏱ 10s · tier 7 · prod ✓
Made in: Casting unit MK 01 Casting unit MK 01 (Legacy) Casting unit MK 02 Casting unit MK 02 (Legacy) Casting unit MK 03 Casting unit MK 03 (Legacy) +2Unlocked by: Casting - Stage 3
Erbium Nickel Cobalt Special Alloy ⏱ 10s · tier 7
Made in: Smelter MK 01 Smelter MK 02 Smelter MK 03 Smelter MK 04Unlocked by: Alloy smelting - Stage 4
Lead container ⏱ 10s · tier 7 · prod ✓
Made in: Casting unit MK 01 Casting unit MK 01 (Legacy) Casting unit MK 02 Casting unit MK 02 (Legacy) Casting unit MK 03 Casting unit MK 03 (Legacy) +2Unlocked by: Casting - Stage 3
Nexelit Zinc Gadolinium Special Alloy ⏱ 20s · tier 7
Made in: Casting unit MK 01 Casting unit MK 01 (Legacy) Casting unit MK 02 Casting unit MK 02 (Legacy) Casting unit MK 03 Casting unit MK 03 (Legacy) +2Unlocked by: Intermetallics - Stage 4
Niobium pipe ⏱ 5s · tier 7 · prod ✓
Made in: Casting unit MK 01 Casting unit MK 01 (Legacy) Casting unit MK 02 Casting unit MK 02 (Legacy) Casting unit MK 03 Casting unit MK 03 (Legacy) +2Unlocked by: Casting - Stage 3
Niobium pipe to ground ⏱ 5s · tier 7 · prod ✓
Made in: Casting unit MK 01 Casting unit MK 01 (Legacy) Casting unit MK 02 Casting unit MK 02 (Legacy) Casting unit MK 03 Casting unit MK 03 (Legacy) +2Unlocked by: Casting - Stage 3
Shaft MK04 ⏱ 50s · tier 7 · prod ✓
Made in: Casting unit MK 01 Casting unit MK 01 (Legacy) Casting unit MK 02 Casting unit MK 02 (Legacy) Casting unit MK 03 Casting unit MK 03 (Legacy) +2Unlocked by: Machine Components - Stage 4
Small parts ⏱ 1s · tier 7 · prod ✓
Made in: Casting unit MK 01 Casting unit MK 01 (Legacy) Casting unit MK 02 Casting unit MK 02 (Legacy) Casting unit MK 03 Casting unit MK 03 (Legacy) +2Unlocked by: Casting - Stage 3
Titanium nitride ⏱ 15s · tier 7
Made in: Smelter MK 01 Smelter MK 02 Smelter MK 03 Smelter MK 04Unlocked by: Photonics
Yellow dextrine ⏱ 10s · tier 7 · prod ✓
Made in: Fluidised bed reactor MK 01 Fluidised bed reactor MK 02 Fluidised bed reactor MK 03 Fluidised bed reactor MK 04Unlocked by: Antimony processing - Stage 4
Arqad maggots MK 04 ⏱ 50s · tier 8
Made in: Incubator MK 01 Incubator MK 02 Incubator MK 03 Incubator MK 04Unlocked by: Arqad - Stage 4
Erbium Nickel Cobalt Special Alloy ⏱ 15s · tier 9
Made in: Smelter MK 01 Smelter MK 02 Smelter MK 03 Smelter MK 04Unlocked by: Alloy smelting - Stage 5
Multipurpose Pipe ⏱ 5s · tier 9 · prod ✓
Made in: Casting unit MK 01 Casting unit MK 01 (Legacy) Casting unit MK 02 Casting unit MK 02 (Legacy) Casting unit MK 03 Casting unit MK 03 (Legacy) +2Unlocked by: Casting - Stage 4
Multipurpose pipe to ground ⏱ 5s · tier 9 · prod ✓
Made in: Casting unit MK 01 Casting unit MK 01 (Legacy) Casting unit MK 02 Casting unit MK 02 (Legacy) Casting unit MK 03 Casting unit MK 03 (Legacy) +2Unlocked by: Casting - Stage 4
Cold air ⏱ 126s · prod ✓
Made in: Yaedols culture MK 01 Yaedols culture MK 02 Yaedols culture MK 03 Yaedols culture MK 04Unlocked by an upgrade choice, not research
Cold air ⏱ 99s · prod ✓
Made in: Yaedols culture MK 01 Yaedols culture MK 02 Yaedols culture MK 03 Yaedols culture MK 04Unlocked by an upgrade choice, not research
Cold air ⏱ 72s · prod ✓
Made in: Yaedols culture MK 01 Yaedols culture MK 02 Yaedols culture MK 03 Yaedols culture MK 04Unlocked by an upgrade choice, not research
Cold air ⏱ 45s · prod ✓
Made in: Yaedols culture MK 01 Yaedols culture MK 02 Yaedols culture MK 03 Yaedols culture MK 04Unlocked by an upgrade choice, not research
Nanofibrils ⏱ 90s
Made in: Biofactory MK 01 Biofactory MK 02 Biofactory MK 03 Biofactory MK 04Unlocked by an upgrade choice, not research
Paper towel ⏱ 4s · prod ✓
Made in: Pulp mill MK 01 Pulp mill MK 02 Pulp mill MK 03 Pulp mill MK 04Unlocked by an upgrade choice, not research
Retrovirus ⏱ 5s · prod ✓
Made in: Incubator MK 01 Incubator MK 02 Incubator MK 03 Incubator MK 04Unlocked by an upgrade choice, not research
Wax ⏱ 4s
Made in: High pressure furnace MK 01 High pressure furnace MK 02 High pressure furnace MK 03 High pressure furnace MK 04Unlocked by an upgrade choice, not research