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  1. Alternative fuel vehicle infrastructure‏‎ (2 categories)
  2. Horizontal drilling‏‎ (2 categories)
  3. Spent fuel‏‎ (2 categories)
  4. Pigovian tax‏‎ (2 categories)
  5. Copper‏‎ (2 categories)
  6. Millions of tonnes of oil equivalent‏‎ (2 categories)
  7. Day‏‎ (2 categories)
  8. Mph‏‎ (2 categories)
  9. Bbl‏‎ (2 categories)
  10. Inferior good‏‎ (2 categories)
  11. Tail race‏‎ (2 categories)
  12. Psig‏‎ (2 categories)
  13. Distribution transformer‏‎ (2 categories)
  14. Boiler slag‏‎ (2 categories)
  15. Gallon‏‎ (2 categories)
  16. Reaction turbine‏‎ (2 categories)
  17. Earth's energy flows‏‎ (2 categories)
  18. L‏‎ (2 categories)
  19. Town gas‏‎ (2 categories)
  20. Rotational energy‏‎ (2 categories)
  21. Electrical conductivity‏‎ (2 categories)
  22. Cascade process‏‎ (2 categories)
  23. Lignite‏‎ (2 categories)
  24. Green fund‏‎ (2 categories)
  25. Electroweak‏‎ (2 categories)
  26. Magnesium‏‎ (2 categories)
  27. Vertical axis wind turbine‏‎ (2 categories)
  28. Ad valorem‏‎ (2 categories)
  29. Solar collector orientation‏‎ (2 categories)
  30. Megawatts thermal‏‎ (2 categories)
  31. Methanol‏‎ (2 categories)
  32. Anemometer‏‎ (2 categories)
  33. Stator‏‎ (2 categories)
  34. Moisture intrusion (building envelope)‏‎ (2 categories)
  35. Atomic weight‏‎ (2 categories)
  36. Ideal gas constant‏‎ (2 categories)
  37. Supercritical fluid‏‎ (2 categories)
  38. Food security‏‎ (2 categories)
  39. Pressurized water reactor‏‎ (2 categories)
  40. Nacelle‏‎ (2 categories)
  41. Beyond design basis accident‏‎ (2 categories)
  42. Intangible asset‏‎ (2 categories)
  43. RBMK‏‎ (2 categories)
  44. Drive train‏‎ (2 categories)
  45. Breeder reactor‏‎ (2 categories)
  46. Tidal barrage‏‎ (2 categories)
  47. Law of conservation of charge‏‎ (2 categories)
  48. SDG‏‎ (2 categories)
  49. Electrical transmission‏‎ (2 categories)
  50. Oil well‏‎ (2 categories)
  51. Litre‏‎ (2 categories)
  52. AC electrical generation‏‎ (2 categories)
  53. Short circuit‏‎ (2 categories)
  54. Wankel engine‏‎ (2 categories)
  55. Air exfiltration‏‎ (2 categories)
  56. Heater‏‎ (2 categories)
  57. Phase line‏‎ (2 categories)
  58. Conservative force‏‎ (2 categories)
  59. Midstream oil and gas industry‏‎ (2 categories)
  60. Wire‏‎ (2 categories)
  61. Hydroelectric discharge‏‎ (2 categories)
  62. Strong force‏‎ (2 categories)
  63. First law of thermodynamics‏‎ (2 categories)
  64. Current‏‎ (2 categories)
  65. Moment of inertia‏‎ (2 categories)
  66. In a barrel of oil‏‎ (2 categories)
  67. Sustainable energy‏‎ (2 categories)
  68. Frac sand‏‎ (2 categories)
  69. Diffusion‏‎ (2 categories)
  70. Natural gas vehicle fuel storage‏‎ (2 categories)
  71. Inverse square law‏‎ (2 categories)
  72. The greenhouse effect and Earth's energy budget‏‎ (2 categories)
  73. GCM‏‎ (2 categories)
  74. Radioactive decay‏‎ (2 categories)
  75. E=mc2‏‎ (2 categories)
  76. Nuclear decay‏‎ (2 categories)
  77. CCUS‏‎ (2 categories)
  78. Kilometer‏‎ (2 categories)
  79. Toe‏‎ (2 categories)
  80. Odorant‏‎ (2 categories)
  81. Life cycle‏‎ (2 categories)
  82. Graphene‏‎ (2 categories)
  83. Seal rock‏‎ (2 categories)
  84. Electromagnetic force‏‎ (2 categories)
  85. Organic Rankine cycle‏‎ (2 categories)
  86. Chernobyl‏‎ (2 categories)
  87. Lux‏‎ (2 categories)
  88. Value added‏‎ (2 categories)
  89. Acceleration‏‎ (2 categories)
  90. Gyroscopic motion‏‎ (2 categories)
  91. Size of the universe‏‎ (2 categories)
  92. Coal gas‏‎ (2 categories)
  93. MeV‏‎ (2 categories)
  94. Water wheel‏‎ (2 categories)
  95. Heterogeneous‏‎ (2 categories)
  96. Spark plug‏‎ (2 categories)
  97. Aluminum‏‎ (2 categories)
  98. Horizontal well‏‎ (2 categories)
  99. Spent nuclear fuel‏‎ (2 categories)
  100. Excise tax‏‎ (2 categories)
  101. Core electron‏‎ (2 categories)
  102. Mine mouth‏‎ (2 categories)
  103. Asset class‏‎ (2 categories)
  104. Hydrologic cycle‏‎ (2 categories)
  105. Power vs energy‏‎ (2 categories)
  106. Daylighting‏‎ (2 categories)
  107. Multimeter‏‎ (2 categories)
  108. Inflammable‏‎ (2 categories)
  109. District heating‏‎ (2 categories)
  110. Isochoric‏‎ (2 categories)
  111. Thermochemical calorie‏‎ (2 categories)
  112. Reactor building‏‎ (2 categories)
  113. Nuclear species‏‎ (2 categories)
  114. Cam‏‎ (2 categories)
  115. LCOE‏‎ (2 categories)
  116. Rotational inertia‏‎ (2 categories)
  117. Electrical energy‏‎ (2 categories)
  118. Catchment‏‎ (2 categories)
  119. Likelihood‏‎ (2 categories)
  120. Semiconductor‏‎ (2 categories)
  121. Element‏‎ (2 categories)
  122. Overnight cost of funds‏‎ (2 categories)
  123. Climate forcing‏‎ (2 categories)
  124. Volatile‏‎ (2 categories)
  125. Heat capacity‏‎ (2 categories)
  126. Solar constant‏‎ (2 categories)
  127. Meghalayan‏‎ (2 categories)
  128. Compressed natural gas‏‎ (2 categories)
  129. Metre‏‎ (2 categories)
  130. Anode‏‎ (2 categories)
  131. Hydraulic energy‏‎ (2 categories)
  132. Critical point of water‏‎ (2 categories)
  133. Molar gas constant‏‎ (2 categories)
  134. Average fixed cost‏‎ (2 categories)
  135. Ideal gas law‏‎ (2 categories)
  136. Supercritical nuclear reactor‏‎ (2 categories)
  137. Developed countries‏‎ (2 categories)
  138. Naphtha‏‎ (2 categories)
  139. Technology‏‎ (2 categories)
  140. RBS‏‎ (2 categories)
  141. Drivetrain‏‎ (2 categories)
  142. Normal force‏‎ (2 categories)
  143. Gasoline engine‏‎ (2 categories)
  144. Renewable energy‏‎ (2 categories)
  145. Elasticity‏‎ (2 categories)
  146. OPEC (cartel)‏‎ (2 categories)
  147. Capital stock‏‎ (2 categories)
  148. Transportation of liquefied natural gas‏‎ (2 categories)
  149. Glacier‏‎ (2 categories)
  150. Cetane number‏‎ (2 categories)
  151. Uranium hexafluoride‏‎ (2 categories)
  152. Short ton‏‎ (2 categories)
  153. Energy currencies‏‎ (2 categories)
  154. Cm‏‎ (2 categories)
  155. Warm spell‏‎ (2 categories)
  156. Air infiltration‏‎ (2 categories)
  157. Heater vents‏‎ (2 categories)
  158. Solar wall‏‎ (2 categories)
  159. Photochemical smog‏‎ (2 categories)
  160. Wire gauge‏‎ (2 categories)
  161. Appliance‏‎ (2 categories)
  162. Hydroelectric facilities‏‎ (2 categories)
  163. Strong interaction‏‎ (2 categories)
  164. Pound‏‎ (2 categories)
  165. Current transformer‏‎ (2 categories)
  166. Momentum‏‎ (2 categories)
  167. BWR‏‎ (2 categories)
  168. In situ‏‎ (2 categories)
  169. Switch‏‎ (2 categories)
  170. Fracking‏‎ (2 categories)
  171. Private service‏‎ (2 categories)
  172. Diode‏‎ (2 categories)
  173. Natural resource‏‎ (2 categories)
  174. Bitumen upgrading‏‎ (2 categories)
  175. Inversion layer‏‎ (2 categories)
  176. The pH scale‏‎ (2 categories)
  177. GDP‏‎ (2 categories)
  178. Radioactive vs irradiated‏‎ (2 categories)
  179. Nuclear energy‏‎ (2 categories)
  180. CFL light bulb‏‎ (2 categories)
  181. Ton‏‎ (2 categories)
  182. Resistor‏‎ (2 categories)
  183. Electric power‏‎ (2 categories)
  184. Odourant‏‎ (2 categories)
  185. Life cycle analysis‏‎ (2 categories)
  186. Season‏‎ (2 categories)
  187. Electromagnetic induction‏‎ (2 categories)
  188. Organic molecule‏‎ (2 categories)
  189. Chernobyl nuclear accident‏‎ (2 categories)
  190. MIST countries‏‎ (2 categories)
  191. Acceleration due to gravity‏‎ (2 categories)
  192. HDI‏‎ (2 categories)
  193. Skylight‏‎ (2 categories)
  194. Energy for electricity by country‏‎ (2 categories)
  195. Parts per billion‏‎ (2 categories)
  196. Waterwheel‏‎ (2 categories)
  197. Algae‏‎ (2 categories)
  198. Species migration‏‎ (2 categories)
  199. Ammeter‏‎ (2 categories)
  200. Spillway‏‎ (2 categories)
  201. Explicit cost‏‎ (2 categories)
  202. Cost‏‎ (2 categories)
  203. Mineral‏‎ (2 categories)
  204. Atlantic Multidecadal Oscillation‏‎ (2 categories)
  205. Ppb‏‎ (2 categories)
  206. N11 countries‏‎ (2 categories)
  207. Inflation‏‎ (2 categories)
  208. Tailings pond‏‎ (2 categories)
  209. Public service‏‎ (2 categories)
  210. Domestic water heating‏‎ (2 categories)
  211. Newton-meters‏‎ (2 categories)
  212. Boiling water reactor‏‎ (2 categories)
  213. Reciprocating engine‏‎ (2 categories)
  214. Earth Temperature without GHGs‏‎ (2 categories)
  215. LED‏‎ (2 categories)
  216. Transducer‏‎ (2 categories)
  217. Geothermal heat pumps‏‎ (2 categories)
  218. Rotational kinetic energy‏‎ (2 categories)
  219. Cathode‏‎ (2 categories)
  220. Line of credit‏‎ (2 categories)
  221. Unconventional resource‏‎ (2 categories)
  222. Sensible heat‏‎ (2 categories)
  223. Embedded energy‏‎ (2 categories)
  224. Overshot wheel‏‎ (2 categories)
  225. Climate impacts of oil sands‏‎ (2 categories)
  226. Magnetic field‏‎ (2 categories)
  227. Energy production by country‏‎ (2 categories)
  228. Per capita‏‎ (2 categories)
  229. Combined cycle gas plant‏‎ (2 categories)
  230. Melting point‏‎ (2 categories)
  231. Weather stripping‏‎ (2 categories)
  232. Compression ignition‏‎ (2 categories)
  233. Metric system of units‏‎ (2 categories)
  234. Wind chill‏‎ (2 categories)
  235. Anoxia‏‎ (2 categories)
  236. Cross-sectional area‏‎ (2 categories)
  237. Average variable cost‏‎ (2 categories)
  238. Ignition‏‎ (2 categories)
  239. Supercritical water‏‎ (2 categories)
  240. Price‏‎ (2 categories)
  241. Developing countries‏‎ (2 categories)
  242. Nappe‏‎ (2 categories)
  243. Bioaccumulation‏‎ (2 categories)
  244. Interest rate‏‎ (2 categories)
  245. RPM‏‎ (2 categories)
  246. Normal good‏‎ (2 categories)
  247. Brittle‏‎ (2 categories)
  248. KERS‏‎ (2 categories)
  249. Gauge pressure‏‎ (2 categories)
  250. Research reactor‏‎ (2 categories)
  251. Elasticity vs plasticity‏‎ (2 categories)
  252. OTEC‏‎ (2 categories)
  253. Caprock‏‎ (2 categories)
  254. Transportation of oil‏‎ (2 categories)
  255. Glazing‏‎ (2 categories)
  256. SI‏‎ (2 categories)
  257. Electricity access‏‎ (2 categories)
  258. Loan‏‎ (2 categories)
  259. AC to DC adapter‏‎ (2 categories)
  260. Gross national product‏‎ (2 categories)
  261. PWR‏‎ (2 categories)
  262. Co2‏‎ (2 categories)
  263. Waste‏‎ (2 categories)
  264. Air infiltration and exfiltration‏‎ (2 categories)
  265. Heating register‏‎ (2 categories)
  266. Petrochemical‏‎ (2 categories)
  267. Equity‏‎ (2 categories)
  268. Control (building envelope)‏‎ (2 categories)
  269. Mile‏‎ (2 categories)
  270. Wood‏‎ (2 categories)
  271. Aquifer‏‎ (2 categories)
  272. Strong nuclear force‏‎ (2 categories)
  273. Fish passage‏‎ (2 categories)
  274. Pound-feet‏‎ (2 categories)
  275. Curtain‏‎ (2 categories)
  276. Money‏‎ (2 categories)
  277. Syncline‏‎ (2 categories)
  278. Processing algae‏‎ (2 categories)
  279. Diode operation‏‎ (2 categories)
  280. Natural vs anthropogenic climate change‏‎ (2 categories)
  281. Bituminous‏‎ (2 categories)
  282. Thermal conduction‏‎ (2 categories)
  283. GFCI‏‎ (2 categories)
  284. Radioactivity‏‎ (2 categories)
  285. ENSO‏‎ (2 categories)
  286. CHP‏‎ (2 categories)
  287. Kilometers per liter‏‎ (2 categories)
  288. Tonne‏‎ (2 categories)
  289. Electric power to the grid‏‎ (2 categories)
  290. Carbon pool‏‎ (2 categories)
  291. Life cycle assessment‏‎ (2 categories)
  292. Electromagnetic radiation‏‎ (2 categories)
  293. Organization for Economic Cooperation and Development‏‎ (2 categories)
  294. Chimney‏‎ (2 categories)
  295. Vampire power‏‎ (2 categories)
  296. Parts per million‏‎ (2 categories)
  297. Mechanical advantage‏‎ (2 categories)
  298. Algae biofuel‏‎ (2 categories)
  299. Hot line‏‎ (2 categories)
  300. Spring energy‏‎ (2 categories)
  301. External combustion engine‏‎ (2 categories)
  302. Cost-benefit analysis‏‎ (2 categories)
  303. Mineral oil‏‎ (2 categories)
  304. Atm‏‎ (2 categories)
  305. Flow rate‏‎ (2 categories)
  306. Ppm‏‎ (2 categories)
  307. Decane‏‎ (2 categories)
  308. NAM‏‎ (2 categories)
  309. Infrared‏‎ (2 categories)
  310. Tailwater‏‎ (2 categories)
  311. Door‏‎ (2 categories)
  312. Boltzmann's constant‏‎ (2 categories)
  313. Isomer‏‎ (2 categories)
  314. Thermodynamics‏‎ (2 categories)
  315. Earthing‏‎ (2 categories)
  316. Nuclei‏‎ (2 categories)
  317. Camshaft‏‎ (2 categories)
  318. LED light bulb‏‎ (2 categories)
  319. Transformer‏‎ (2 categories)
  320. Rotor‏‎ (2 categories)
  321. Oil refinery‏‎ (2 categories)
  322. Ceiling fan‏‎ (2 categories)
  323. Undershot wheel‏‎ (2 categories)
  324. Embodied energy‏‎ (2 categories)
  325. Climate projection‏‎ (2 categories)
  326. Magnetic flux‏‎ (2 categories)
  327. Volt‏‎ (2 categories)
  328. Heat exchanger‏‎ (2 categories)
  329. Combined heat and power‏‎ (2 categories)
  330. Mercaptan‏‎ (2 categories)
  331. Weir‏‎ (2 categories)
  332. Steam coal‏‎ (2 categories)
  333. Pondage‏‎ (2 categories)
  334. Avogadro's number‏‎ (2 categories)
  335. Illiquid asset‏‎ (2 categories)
  336. Supercritical water cooled reactor‏‎ (2 categories)
  337. Natural carbon cycle‏‎ (2 categories)
  338. Biodiesel‏‎ (2 categories)
  339. Interglacial‏‎ (2 categories)
  340. Fukushima‏‎ (2 categories)
  341. Drought‏‎ (2 categories)
  342. KW‏‎ (2 categories)
  343. Gear‏‎ (2 categories)
  344. Carbohydrate‏‎ (2 categories)
  345. Lb‏‎ (2 categories)
  346. SMES‏‎ (2 categories)
  347. Charge‏‎ (2 categories)
  348. Logarithmic scale‏‎ (2 categories)
  349. Ground‏‎ (2 categories)
  350. Siemens‏‎ (2 categories)
  351. Mass-energy equivalence‏‎ (2 categories)
  352. Heating registers and vents‏‎ (2 categories)
  353. Engine‏‎ (2 categories)
  354. Petrodiesel‏‎ (2 categories)
  355. Miles per gallon‏‎ (2 categories)
  356. Sub-bituminous‏‎ (2 categories)
  357. Fish screen‏‎ (2 categories)
  358. Curtain wall‏‎ (2 categories)
  359. Monopoly‏‎ (2 categories)
  360. Profit‏‎ (2 categories)
  361. Bituminous coal‏‎ (2 categories)
  362. Thermal conductivity‏‎ (2 categories)
  363. GFI‏‎ (2 categories)
  364. EROI‏‎ (2 categories)
  365. Kilowatt-hour‏‎ (2 categories)
  366. Tonne of oil equivalent‏‎ (2 categories)
  367. Electric switch‏‎ (2 categories)
  368. Offshore wind turbine‏‎ (2 categories)
  369. Carbon sequestration‏‎ (2 categories)
  370. Types of hydrogen fuel‏‎ (2 categories)
  371. Gravitational constant‏‎ (2 categories)
  372. Chlorine‏‎ (2 categories)
  373. MPG Illusion‏‎ (2 categories)
  374. Access to non-solid fuel‏‎ (2 categories)
  375. Habitat range change‏‎ (2 categories)
  376. Pascal‏‎ (2 categories)
  377. Alkaline‏‎ (2 categories)
  378. Specific heat capacity‏‎ (2 categories)
  379. Amp‏‎ (2 categories)
  380. Hour‏‎ (2 categories)
  381. Spring potential energy‏‎ (2 categories)
  382. External cost‏‎ (2 categories)
  383. Planck's constant‏‎ (2 categories)
  384. Cost-effectiveness analysis‏‎ (2 categories)
  385. Hyperinflation‏‎ (2 categories)
  386. Super-capacitor‏‎ (2 categories)
  387. NAO‏‎ (2 categories)
  388. Infrared radiation‏‎ (2 categories)
  389. Tangible asset‏‎ (2 categories)
  390. Dopant‏‎ (2 categories)
  391. Newton metre‏‎ (2 categories)
  392. Gas centrifuge for uranium enrichment‏‎ (2 categories)
  393. Reforestation‏‎ (2 categories)
  394. Eco-investing‏‎ (2 categories)
  395. Nucleon‏‎ (2 categories)
  396. LNG‏‎ (2 categories)
  397. Transformer drum‏‎ (2 categories)
  398. Rpm‏‎ (2 categories)
  399. Electrical insulation‏‎ (2 categories)
  400. Separative work unit‏‎ (2 categories)
  401. Emission‏‎ (2 categories)
  402. Ozone‏‎ (2 categories)
  403. Climate scenario‏‎ (2 categories)
  404. Magnetic force‏‎ (2 categories)
  405. Afforestation‏‎ (2 categories)
  406. Solar module‏‎ (2 categories)
  407. Energy saving‏‎ (2 categories)
  408. Percent‏‎ (2 categories)
  409. Combustion‏‎ (2 categories)
  410. Mercury‏‎ (2 categories)
  411. Well casing‏‎ (2 categories)
  412. Mho‏‎ (2 categories)
  413. Hydro turbine‏‎ (2 categories)
  414. Fertile‏‎ (2 categories)
  415. Population replacement rate‏‎ (2 categories)
  416. Crossflow turbine‏‎ (2 categories)
  417. Imperial system of units‏‎ (2 categories)
  418. Primary energy accounting‏‎ (2 categories)
  419. Dewatering algae‏‎ (2 categories)
  420. Intergovernmental Panel on Climate Change‏‎ (2 categories)
  421. Fukushima disaster‏‎ (2 categories)
  422. RSI‏‎ (2 categories)
  423. Dry scrubber‏‎ (2 categories)
  424. KWh‏‎ (2 categories)
  425. Tight gas‏‎ (2 categories)
  426. Gear train‏‎ (2 categories)
  427. Electric circuit‏‎ (2 categories)
  428. Leapfrogging‏‎ (2 categories)
  429. SOx‏‎ (2 categories)
  430. Electricity generation‏‎ (2 categories)
  431. Charge carrier‏‎ (2 categories)
  432. Long tail-pipe problem‏‎ (2 categories)
  433. AFV‏‎ (2 categories)
  434. Ground fault circuit interrupter‏‎ (2 categories)
  435. Sievert‏‎ (2 categories)
  436. Energy density of storage devices‏‎ (2 categories)
  437. Coal-fired power plant‏‎ (2 categories)
  438. Heating vent‏‎ (2 categories)
  439. Solute‏‎ (2 categories)
  440. Work-energy theorem‏‎ (2 categories)
  441. Sub-bituminous coal‏‎ (2 categories)
  442. Fissile‏‎ (2 categories)
  443. Cyclone separator‏‎ (2 categories)
  444. Incandescent light bulb‏‎ (2 categories)
  445. Discharge‏‎ (2 categories)
  446. Black carbon‏‎ (2 categories)
  447. Thermal convection‏‎ (2 categories)
  448. GHGs for AFVs‏‎ (2 categories)
  449. EV‏‎ (2 categories)
  450. Nuclear fuel cycle‏‎ (2 categories)
  451. Kilowatt hour‏‎ (2 categories)
  452. Torque‏‎ (2 categories)
  453. Revenue‏‎ (2 categories)
  454. Electric vehicle‏‎ (2 categories)
  455. Carbon sink‏‎ (2 categories)
  456. Types of natural gas deposits‏‎ (2 categories)
  457. Gravitational field‏‎ (2 categories)
  458. Electromotive force‏‎ (2 categories)
  459. Organization of petroleum exporting countries (cartel)‏‎ (2 categories)
  460. MPGe‏‎ (2 categories)
  461. Acid‏‎ (2 categories)
  462. Smokestack‏‎ (2 categories)
  463. Mechanical equivalent of heat‏‎ (2 categories)
  464. Alkane‏‎ (2 categories)
  465. Home energy use‏‎ (2 categories)
  466. Amp hr‏‎ (2 categories)
  467. Hubbert's peak‏‎ (2 categories)
  468. Plasma‏‎ (2 categories)
  469. Minute‏‎ (2 categories)
  470. Supercapacitor‏‎ (2 categories)
  471. Fluid mechanics‏‎ (2 categories)
  472. Precipitation‏‎ (2 categories)
  473. NGV‏‎ (2 categories)
  474. Benzene‏‎ (2 categories)
  475. Inhomogeneous‏‎ (2 categories)
  476. Nickel‏‎ (2 categories)
  477. Bottom ash‏‎ (2 categories)
  478. Thermostat‏‎ (2 categories)
  479. Gas constant‏‎ (2 categories)
  480. Economic sector‏‎ (2 categories)
  481. Nucleon number‏‎ (2 categories)
  482. Canadian Energy Security‏‎ (2 categories)
  483. LNG carrier‏‎ (2 categories)
  484. Transistor‏‎ (2 categories)
  485. Electrical insulator‏‎ (2 categories)
  486. Universal gas constant‏‎ (2 categories)
  487. Series circuit‏‎ (2 categories)
  488. Manufacturer's suggested retail price‏‎ (2 categories)
  489. Voltage difference‏‎ (2 categories)
  490. Heat sink‏‎ (2 categories)
  491. Solar panel‏‎ (2 categories)
  492. Command economy‏‎ (2 categories)
  493. Wet scrubber‏‎ (2 categories)
  494. Conduction band‏‎ (2 categories)
  495. Micro-wind turbine‏‎ (2 categories)
  496. Anthracite‏‎ (2 categories)
  497. Stefan-Boltzmann constant‏‎ (2 categories)
  498. Porosity‏‎ (2 categories)
  499. Axial tilt‏‎ (2 categories)
  500. Implicit cost‏‎ (2 categories)

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