# Materials
# Document type: Dictionary (aligned notation)

oak-planks: {
  name: Oak planks
  tags: [wood]
  price: 200
}
birch-planks: {
  name: Birch planks
  tags: [wood]
  price: 200
}
stone: {
  name: Stone
  price: 100
  tags: [heavy; stone]
}
marble: {
  name: Marble
  price: 800
  beauty: 2
  tags: [heavy; stone; rich]
}
glass: {
  name: Glass
  price: 1600
  tags: [rich]
}