return {
  -- belts
  'transport-belt',
  'fast-transport-belt',
  'express-transport-belt',
  'ei_neo-belt',
  -- undergrounds
  'underground-belt',
  'fast-underground-belt',
  'express-underground-belt',
  'ei_neo-underground-belt',
  -- pipes
  'pipe',
  'pipe-to-ground',
  'ei_insulated-pipe',
  'ei_insulated-underground-pipe',
  -- poles
  'small-electric-pole',
  'medium-electric-pole',
  'big-electric-pole',
  'substation',
  -- drills
  'electric-mining-drill',
  'ei_advanced-electric-mining-drill',
  'ei_superior-electric-mining-drill',
  'ei_deep-drill',
  'ei_advanced-deep-drill',
  'burner-mining-drill',
  'pumpjack',
  'ei_steam-oil-pumpjack',
  -- vehicles
  'car',
  'tank',
  'spidertron',
  -- rails
  'straight-rail',
  'curved-rail',
  'rail-signal',
  'rail-chain-signal',
  'train-stop',
  'locomotive',
  'cargo-wagon',
  'fluid-wagon',
  'artillery-wagon',
  'ei_steam-basic-locomotive',
  'ei_steam-basic-wagon',
  'ei_steam-advanced-locomotive',
  'ei_steam-advanced-wagon',
  'ei_steam-advanced-fluid-wagon',
  -- special
  'ei_alien-stabilizer',
}
