Copper cable
3.89 G
Electronic circuit
1.81 G
Stone
1.62 G
Iron plate
1.40 G
Copper plate
1.23 G
Steel plate
941 M
Science
903 M
Rail
897 M
Advanced circuit
777 M
Plastic bar
742 M
Iron gear wheel
622 M
Scrap
603 M
Iron stick
537 M
Coal
520 M
Stone brick
500 M
Iron ore
359 M
Copper ore
294 M
Chemical science pack
238 M
Automation science pack
238 M
Logistic science pack
238 M
Production science pack
166 M
Processing unit
141 M
Pipe
141 M
Jelly
135 M
Engine unit
131 M
Yumako mash
131 M
Transport belt
127 M
Inserter
126 M
Nutrients
122 M
Solid fuel
116 M
Tungsten ore
110 M
Ice
105 M
Concrete
93.4 M
Calcite
86.6 M
Space science pack
85.1 M
Utility science pack
84.1 M
Battery
78.3 M
Sulfur
76.0 M
Military science pack
73.0 M
Carbon
68.0 M
Scrap (Uncommon)
68.0 M
Low density structure
62.3 M
Copper cable (Uncommon)
61.8 M
Electronic circuit (Uncommon)
55.9 M
Spoilage
51.9 M
Iron gear wheel (Uncommon)
49.6 M
Tungsten carbide
49.2 M
Productivity module
46.7 M
Iron bacteria
42.6 M
Iron plate (Uncommon)
42.5 M
Yumako
40.8 M
Bioflux
38.3 M
Wall
36.7 M
Metallurgic science pack
32.0 M
Electric furnace
30.0 M
Tungsten plate
27.0 M
Uranium ore
26.1 M
Firearm magazine
25.4 M
Jellynut
24.5 M
Speed module
24.2 M
Copper plate (Uncommon)
22.2 M
Rocket part
19.9 M
Copper cable (Rare)
19.7 M
Holmium plate
19.6 M
Flying robot frame
18.7 M
Piercing rounds magazine
18.7 M
Grenade
18.4 M
Plastic bar (Uncommon)
18.0 M
Electronic circuit (Rare)
17.6 M
Solid fuel (Uncommon)
17.4 M
Biter egg
17.0 M
Advanced circuit (Uncommon)
16.6 M
Concrete (Uncommon)
14.9 M
Steel plate (Uncommon)
14.7 M
Copper bacteria
14.1 M
Ice (Uncommon)
12.4 M
Speed module 2
12.2 M
Refined concrete
12.0 M
Battery (Uncommon)
11.8 M
Holmium ore
11.7 M
Processing unit (Uncommon)
11.7 M
Iron plate (Rare)
11.3 M
Electromagnetic science pack
11.2 M
Rocket fuel
10.4 M
Stone (Uncommon)
10.1 M
Electric engine unit
9.49 M
Copper cable (Epic)
9.18 M
Iron gear wheel (Rare)
9.01 M
Electronic circuit (Epic)
8.67 M
Productivity module 2
7.75 M
Agricultural science pack
7.18 M
Scrap (Rare)
6.81 M
Accumulator
6.32 M
Holmium plate (Uncommon)
5.84 M
Advanced circuit (Rare)
4.75 M
Supercapacitor
4.21 M
Copper plate (Rare)
4.20 M
Superconductor
4.08 M
Processing unit (Rare)
4.05 M
Carbonic asteroid chunk
3.97 M
Metallic asteroid chunk
3.86 M
Speed module 3
3.83 M
Steel plate (Rare)
3.54 M
Oxide asteroid chunk
3.52 M
Iron plate (Epic)
3.42 M
Pentapod egg
3.38 M
Logistic robot
3.10 M
Solid fuel (Rare)
3.10 M
Plastic bar (Rare)
2.97 M
Concrete (Rare)
2.75 M
Uranium-238
2.67 M
Battery (Rare)
2.59 M
Holmium ore (Uncommon)
2.51 M
Low density structure (Uncommon)
2.47 M
Electronic circuit (Legendary)
2.34 M
Copper cable (Legendary)
2.28 M
Ice (Rare)
2.21 M
Stone brick (Uncommon)
2.13 M
Productivity module 3
2.01 M
Stone (Rare)
1.78 M
Carbon fiber
1.78 M
Advanced circuit (Epic)
1.65 M
Refined concrete (Uncommon)
1.60 M
Accumulator (Uncommon)
1.55 M
Iron gear wheel (Epic)
1.33 M
Speed module 2 (Uncommon)
1.33 M
Productivity module 2 (Uncommon)
1.31 M
Yumako seed
1.31 M
Explosives
1.28 M
Tungsten carbide (Uncommon)
1.22 M
Lithium plate
1.17 M
Logistic robot (Uncommon)
1.17 M
Productivity module 3 (Uncommon)
1.13 M
Holmium plate (Rare)
1.12 M
Processing unit (Epic)
1.03 M
Speed module 3 (Uncommon)
1.03 M
Steel plate (Epic)
989 K
Lithium
869 K
Accumulator (Rare)
845 K
Bulk inserter
820 K
Uranium-235
782 K
Iron plate (Legendary)
748 K
Fast inserter
745 K
Iron stick (Uncommon)
736 K
Jelly (Uncommon)
722 K
Substation (Uncommon)
694 K
Biter egg (Uncommon)
692 K
Rocket
682 K
Scrap (Epic)
674 K
Quality module
670 K
Jellynut seed
670 K
Substation
647 K
Battery (Epic)
627 K
Copper plate (Epic)
603 K
Productivity module 2 (Rare)
567 K
Stack inserter
566 K
Low density structure (Rare)
500 K
Capture bot rocket
493 K
Refined concrete (Rare)
490 K
Speed module 2 (Rare)
454 K
Plastic bar (Epic)
452 K
Holmium ore (Rare)
445 K
Solid fuel (Epic)
443 K
Stone brick (Rare)
429 K
Quality module (Rare)
412 K
Tungsten carbide (Rare)
410 K
Concrete (Epic)
406 K
Flying robot frame (Uncommon)
391 K
Iron ore (Uncommon)
388 K
Productivity module 3 (Rare)
360 K
Cryogenic science pack
346 K
Advanced circuit (Legendary)
340 K
Iron chest (Rare)
337 K
Transport belt (Rare)
337 K
Ice (Epic)
317 K
Speed module 3 (Rare)
310 K
Landfill
279 K
Quality module (Epic)
276 K
Logistic robot (Rare)
263 K
Stone (Epic)
254 K
Lab
248 K
Efficiency module
233 K
Stack inserter (Uncommon)
219 K
Productivity module 2 (Epic)
210 K
Substation (Rare)
203 K
Quality module 2
198 K
Iron gear wheel (Legendary)
193 K
Biter egg (Rare)
190 K
Accumulator (Epic)
189 K
Iron stick (Rare)
187 K
Biolab
186 K
Carbon fiber (Uncommon)
181 K
Holmium plate (Epic)
176 K
Steel plate (Legendary)
170 K
Processing unit (Legendary)
168 K
Speed module 2 (Epic)
165 K
Superconductor (Uncommon)
156 K
Jelly (Rare)
153 K
Foundry
148 K
Uranium fuel cell
141 K
Depleted uranium fuel cell
139 K
Express transport belt
138 K
Productivity module 3 (Epic)
135 K
Steel chest (Rare)
134 K
Flying robot frame (Rare)
132 K
Fast transport belt
119 K
Battery (Legendary)
116 K
Tungsten carbide (Epic)
111 K
Speed module 3 (Epic)
109 K
Quality module 2 (Rare)
107 K
Low density structure (Epic)
97.3 K
Solar panel
95.6 K
Lithium plate (Uncommon)
95.4 K
Bulk inserter (Uncommon)
92.5 K
Turbo transport belt
88.7 K
Iron chest (Epic)
84.9 K
Refined concrete (Epic)
81.7 K
Transport belt (Epic)
79.9 K
Pipe (Epic)
79.4 K
Defender capsule
78.9 K
Copper plate (Legendary)
77.7 K
Logistic robot (Epic)
72.9 K
Scrap (Legendary)
72.4 K
Quality module (Uncommon)
71.8 K
Space platform foundation
71.6 K
Iron ore (Rare)
70.6 K
Efficiency module 2
68.9 K
Biolab (Uncommon)
67.4 K
Stone brick (Epic)
66.2 K
Solid fuel (Legendary)
64.3 K
Holmium ore (Epic)
63.5 K
Concrete (Legendary)
57.5 K
Biter egg (Epic)
57.4 K
Foundry (Uncommon)
55.6 K
Superconductor (Epic)
55.6 K
Plastic bar (Legendary)
55.0 K
Steel chest
54.9 K
Pipe (Uncommon)
52.6 K
Ice platform
50.7 K
Quality module 2 (Epic)
50.7 K
Productivity module 3 (Legendary)
50.3 K
Repair pack
49.5 K
Radar
46.7 K
Laser turret
45.4 K
Ice (Legendary)
45.4 K
Productivity module 2 (Legendary)
45.3 K
Artillery shell
43.3 K
Stack inserter (Rare)
43.1 K
Engine unit (Epic)
42.5 K
Wood
39.9 K
Speed module 3 (Legendary)
39.6 K
Superconductor (Rare)
39.4 K
Stone (Legendary)
37.1 K
Flying robot frame (Epic)
36.7 K
Foundation
36.4 K
Productivity module (Uncommon)
35.5 K
Speed module 2 (Legendary)
35.0 K
Carbon fiber (Rare)
34.3 K
Engine unit (Uncommon)
33.9 K
Quantum processor
33.7 K
Electric engine unit (Epic)
32.6 K
Steel chest (Epic)
32.1 K
Quality module 2 (Uncommon)
30.2 K
Assembling machine 1
28.7 K
Assembling machine 2
27.4 K
Speed module (Uncommon)
26.5 K
Refined hazard concrete
25.1 K
Express underground belt
24.5 K
Explosive rocket
24.4 K
Beacon (Epic)
24.3 K
Tree seed
23.6 K
Flamethrower turret
23.5 K
Iron stick (Epic)
23.3 K
Holmium plate (Legendary)
22.3 K
Supercapacitor (Uncommon)
21.6 K
Fast underground belt
21.5 K
Logistic robot (Legendary)
21.1 K
Accumulator (Legendary)
21.1 K
Recycler (Rare)
20.6 K
Tungsten carbide (Legendary)
20.4 K
Bulk inserter (Rare)
20.4 K
Substation (Epic)
20.4 K
Barrel
20.1 K
Electric engine unit (Uncommon)
19.9 K
Electromagnetic plant (Uncommon)
19.2 K
Distractor capsule
19.2 K
Beacon
19.2 K
Cryogenic plant
19.1 K
Cryogenic plant (Uncommon)
19.1 K
Rail signal
18.6 K
Pipe to ground
17.5 K
Construction robot
17.2 K
Cliff explosives
16.9 K
Turbo underground belt
16.8 K
Low density structure (Legendary)
16.4 K
Cargo bay (Rare)
16.1 K
Underground belt
15.9 K
Rocket launcher
15.5 K
Jelly (Epic)
15.4 K
Refined concrete (Legendary)
15.2 K
Big electric pole
14.8 K
Medium electric pole
14.6 K
Superconductor (Legendary)
14.6 K
Quality module (Legendary)
14.4 K
Speed module (Legendary)
14.1 K
Beacon (Legendary)
13.8 K
Efficiency module (Uncommon)
13.6 K
Foundry (Rare)
12.8 K
Laser turret (Uncommon)
12.8 K
Storage chest
12.8 K
Electromagnetic plant (Rare)
12.7 K
Efficiency module 3
12.6 K
Speed module (Epic)
12.5 K
Heat pipe
12.5 K
Gun turret
12.5 K
Pipe (Rare)
12.3 K
Pipe (Legendary)
12.3 K
Biter egg (Legendary)
11.9 K
Requester chest
11.6 K
Biolab (Rare)
11.3 K
Assembling machine 3
10.4 K
Iron ore (Epic)
10.2 K
Engine unit (Rare)
10.1 K
Rail signal (Uncommon)
10.0 K
Biochamber
9.94 K
Iron chest (Legendary)
9.55 K
Flamethrower turret (Uncommon)
9.39 K
Holmium ore (Legendary)
9.27 K
Efficiency module 2 (Uncommon)
9.23 K
Stone brick (Legendary)
9.04 K
Big mining drill
8.96 K
Quality module 2 (Legendary)
8.88 K
Transport belt (Legendary)
8.83 K
Tungsten plate (Uncommon)
8.60 K
Fast inserter (Uncommon)
8.51 K
Quality module 3 (Uncommon)
8.48 K
Electric mining drill
8.21 K
Passive provider chest
7.91 K
Assembling machine 1 (Epic)
7.63 K
Electric engine unit (Legendary)
7.60 K
Stack inserter (Epic)
7.49 K
Solar panel (Uncommon)
7.20 K
Flying robot frame (Legendary)
7.04 K
Assembling machine 2 (Legendary)
6.97 K
Lamp
6.92 K
Railgun ammo
6.59 K
Assembling machine 2 (Epic)
6.52 K
Quality module 3 (Epic)
6.43 K
Artificial jellynut soil
6.38 K
Iron chest
6.23 K
Artificial yumako soil
6.19 K
Steel chest (Uncommon)
6.14 K
Recycler (Epic)
6.00 K
Lightning rod
5.96 K
Buffer chest
5.72 K
Storage tank
5.63 K
Heat exchanger
5.63 K
Fast splitter
5.54 K
Pumpjack
5.47 K
Quality module 3 (Legendary)
5.30 K
Cargo bay
5.26 K
Long-handed inserter
5.09 K
Radar (Uncommon)
5.07 K
Assembling machine 1 (Legendary)
4.93 K
Productivity module (Rare)
4.89 K
Rail chain signal
4.87 K
Pump
4.75 K
Splitter
4.74 K
Cargo bay (Epic)
4.66 K
Rail support
4.65 K
Centrifuge
4.46 K
Iron chest (Uncommon)
4.34 K
Asteroid collector
4.28 K
Uranium fuel cell (Uncommon)
4.26 K
Assembling machine 3 (Legendary)
4.23 K
Electromagnetic plant (Epic)
4.22 K
Crusher
4.07 K
Express splitter
3.87 K
Cryogenic plant (Rare)
3.79 K
Engine unit (Legendary)
3.78 K
Fusion power cell
3.78 K
Personal roboport
3.76 K
Destroyer capsule
3.55 K
Steel chest (Legendary)
3.51 K
Carbon fiber (Epic)
3.44 K
Rocket turret
3.37 K
Tungsten plate (Rare)
3.31 K
Inserter (Legendary)
3.31 K
Long-handed inserter (Legendary)
3.19 K
Thruster
3.19 K
Foundry (Epic)
3.18 K
Turbo splitter
3.06 K
Electric engine unit (Rare)
2.94 K
Inserter (Uncommon)
2.93 K
Biochamber (Uncommon)
2.75 K
Steam turbine
2.67 K
Supercapacitor (Rare)
2.66 K
Bulk inserter (Epic)
2.66 K
Speed module (Rare)
2.65 K
Efficiency module 3 (Uncommon)
2.64 K
Wall (Uncommon)
2.54 K
Chemical plant
2.52 K
Roboport
2.47 K
Decider combinator
2.45 K
Beacon (Uncommon)
2.44 K
Recycler
2.41 K
Assembling machine 3 (Epic)
2.29 K
Lightning rod (Uncommon)
2.28 K
Quality module 3 (Rare)
2.23 K
Substation (Legendary)
2.23 K
Spoilage (Uncommon)
2.22 K
Flamethrower turret (Rare)
2.21 K
Offshore pump
2.20 K
Stone furnace
2.19 K
Electromagnetic plant
2.19 K
Supercapacitor (Epic)
2.16 K
Arithmetic combinator
2.14 K
Medium electric pole (Uncommon)
2.09 K
Laser turret (Rare)
2.06 K
Fast inserter (Rare)
2.04 K
Biolab (Epic)
1.90 K
Rail ramp
1.83 K
Jelly (Legendary)
1.72 K
Artillery wagon
1.67 K
Solar panel (Legendary)
1.66 K
Boiler
1.66 K
Electric furnace (Epic)
1.42 K
Efficiency module (Rare)
1.42 K
Train stop
1.41 K
Iron ore (Legendary)
1.40 K
Active provider chest
1.37 K
Big mining drill (Uncommon)
1.30 K
Rail signal (Rare)
1.24 K
Roboport (Legendary)
1.23 K
Gun turret (Uncommon)
1.16 K
Oil refinery
1.15 K
Lightning collector
1.13 K
Destroyer capsule (Uncommon)
1.09 K
Electromagnetic plant (Legendary)
1.08 K
Construction robot (Uncommon)
1.06 K
Cargo wagon
1.05 K
Tesla turret
1.04 K
Assembling machine 3 (Uncommon)
1.03 K
Stack inserter (Legendary)
1.02 K
Efficiency module 2 (Rare)
959
Tesla gun
883
Pump (Legendary)
855
Foundry (Legendary)
848
Supercapacitor (Legendary)
820
Tungsten plate (Epic)
810
Electric furnace (Uncommon)
796
Personal battery
795
Solar panel (Rare)
764
Artillery shell (Uncommon)
719
Recycler (Legendary)
697
Nuclear reactor
664
Cargo bay (Uncommon)
645
Personal roboport (Uncommon)
633
Locomotive
614
Gun turret (Legendary)
606
Laser turret (Legendary)
600
Pumpjack (Legendary)
584
Flamethrower turret (Epic)
576
Crusher (Uncommon)
571
Fast inserter (Epic)
559
Heating tower
537
Asteroid collector (Uncommon)
535
Cargo bay (Legendary)
528
Offshore pump (Legendary)
509
Fluid wagon
495
Bulk inserter (Legendary)
493
Thruster (Uncommon)
482
Productivity module (Epic)
479
Electric furnace (Legendary)
468
Artillery wagon (Uncommon)
467
Rocket turret (Uncommon)
450
Radar (Rare)
415
Carbon fiber (Legendary)
413
Personal battery (Legendary)
411
Cryogenic plant (Epic)
410
Rocket silo
409
Medium electric pole (Epic)
405
Iron stick (Legendary)
404
Uranium fuel cell (Rare)
400
Heat exchanger (Uncommon)
385
Big electric pole (Uncommon)
376
Roboport (Uncommon)
374
Chemical plant (Legendary)
374
Biolab (Legendary)
372
Depleted uranium fuel cell (Uncommon)
367
Small electric pole
364
Lightning rod (Rare)
355
Passive provider chest (Legendary)
341
Laser turret (Epic)
332
Biochamber (Rare)
313
Exoskeleton (Uncommon)
313
Rocket launcher (Epic)
288
Beacon (Rare)
283
Wall (Rare)
275
Centrifuge (Uncommon)
268
Pump (Uncommon)
265
Recycler (Uncommon)
260
Efficiency module 3 (Rare)
252
Portable fission reactor
249
Tesla ammo
241
Tesla turret (Uncommon)
233
Railgun ammo (Uncommon)
219
Spoilage (Rare)
217
Rocket (Uncommon)
215
Crusher (Legendary)
214
Steam turbine (Uncommon)
208
Tungsten plate (Legendary)
195
Asteroid collector (Legendary)
194
Flamethrower turret (Legendary)
182
Thruster (Legendary)
179
Gun turret (Rare)
173
Pumpjack (Uncommon)
162
Efficiency module (Epic)
156
Wooden chest
147
Steel furnace
139
Rail signal (Epic)
137
Medium electric pole (Legendary)
134
Big mining drill (Rare)
128
Artillery wagon (Rare)
125
Fusion generator
124
Lightning collector (Uncommon)
124
Assembling machine 3 (Rare)
120
Transport belt (Uncommon)
116
Fast inserter (Legendary)
110
Chemical plant (Uncommon)
107
Oil refinery (Uncommon)
106
Efficiency module (Legendary)
102
Exoskeleton
102
Electric furnace (Rare)
101
Construction robot (Rare)
98
Destroyer capsule (Rare)
97
Fusion generator (Uncommon)
91
Agricultural tower
83
Constant combinator
82
Oil refinery (Legendary)
82
Rocket silo (Uncommon)
76
Artillery shell (Rare)
74
Personal battery MK2
71
Steam engine
67
Personal roboport (Rare)
65
Solar panel (Epic)
59
Asteroid collector (Rare)
57
Nuclear reactor (Uncommon)
56
Efficiency module 2 (Epic)
55
Railgun turret
50
Productivity module (Legendary)
49
Thruster (Rare)
49
Rocket turret (Rare)
49
Crusher (Rare)
47
Radar (Epic)
44
Rocket launcher (Legendary)
42
Personal battery MK2 (Legendary)
41
Cryogenic plant (Legendary)
40
Burner inserter
37
Production science pack (Uncommon)
36
Portable fission reactor (Uncommon)
36
Burner mining drill
34
Space platform starter pack
34
Heat exchanger (Rare)
32
Lightning rod (Epic)
32
Tesla turret (Rare)
31
Biochamber (Epic)
30
Submachine gun (Uncommon)
30
Exoskeleton (Rare)
30
Fusion reactor
29
Poison capsule
29
Pump (Rare)
27
Efficiency module 3 (Epic)
27
Energy shield (Rare)
27
Roboport (Rare)
25
Exoskeleton (Legendary)
25
Discharge defense
25
Railgun turret (Uncommon)
25
Centrifuge (Rare)
24
Artillery wagon (Epic)
23
Wall (Epic)
23
Rocket (Rare)
22
Spidertron
21
Steam turbine (Rare)
21
Spoilage (Epic)
21
Toolbelt equipment (Rare)
21
Gun turret (Epic)
21
Pumpjack (Rare)
20
Uranium fuel cell (Epic)
20
Energy shield (Legendary)
20
Captive biter spawner (Uncommon)
19
Fusion reactor (Uncommon)
18
Captive biter spawner
17
Lightning collector (Rare)
16
Railgun ammo (Rare)
16
Personal roboport (Legendary)
16
Rail signal (Legendary)
15
Toolbelt equipment (Legendary)
15
Portable solar panel
14
Personal laser defense (Uncommon)
14
Discharge defense (Uncommon)
14
Chemical plant (Rare)
13
Fusion generator (Rare)
12
Slowdown capsule
12
Artillery shell (Epic)
11
Destroyer capsule (Epic)
11
Personal laser defense
11
Rocket turret (Epic)
11
Artillery wagon (Legendary)
10
Decider combinator (Uncommon)
10
Toolbelt equipment (Epic)
10
Rocket silo (Rare)
9
Personal roboport MK2 (Rare)
9
Big mining drill (Epic)
8
Personal battery MK3 (Legendary)
8
Car
7
Display panel
7
Nuclear reactor (Rare)
7
Big electric pole (Rare)
6
Oil refinery (Rare)
6
Cargo landing pad
6
Submachine gun (Rare)
6
Personal battery MK2 (Uncommon)
6
Energy shield (Epic)
6
Rocket turret (Legendary)
6
Medium electric pole (Rare)
5
Pump (Epic)
5
Construction robot (Epic)
5
Selector combinator
5
Programmable speaker
5
Heat exchanger (Epic)
5
Pumpjack (Epic)
5
Lightning rod (Legendary)
5
Electromagnetic science pack (Uncommon)
5
Thruster (Epic)
5
Radar (Legendary)
5
Railgun turret (Rare)
5
Spidertron (Uncommon)
4
Oil refinery (Epic)
4
Centrifuge (Epic)
4
Asteroid collector (Epic)
4
Crusher (Epic)
4
Portable fusion reactor
4
Personal roboport (Epic)
4
Toolbelt equipment
4
Toolbelt equipment (Uncommon)
4
Energy shield
4
Biochamber (Legendary)
3
Production science pack (Rare)
3
Rocket silo (Epic)
3
Destroyer capsule (Legendary)
3
Personal roboport MK2 (Legendary)
3
Tesla turret (Epic)
3
Nuclear reactor (Epic)
2
Steam turbine (Epic)
2
Fusion generator (Epic)
2
Rocket (Epic)
2
Portable fission reactor (Rare)
2
Portable fission reactor (Epic)
2
Portable fusion reactor (Uncommon)
2
Personal battery MK2 (Rare)
2
Nightvision
2
Energy shield MK2 (Rare)
2
Energy shield MK2 (Legendary)
2
Roboport (Epic)
1
Fusion reactor (Rare)
1
Submachine gun
1
Railgun (Uncommon)
1
Railgun ammo (Epic)
1
Light armor
1
Heavy armor
1
Modular armor
1
Power armor
1
Power armor MK2 (Uncommon)
1
Power armor MK2 (Legendary)
1
Mech armor (Rare)
1
Mech armor (Legendary)
1
Belt immunity equipment
1
Exoskeleton (Epic)
1
Personal roboport MK2 (Epic)
1
Personal laser defense (Rare)
1
Discharge defense (Rare)
1
Wall (Legendary)
1