system of tubes in other languages

• English
  

• Arabic
  

• Egyptian Arabic
  

• Armenian
  

• Bashkir
  

• Catalan
  

• Chinese
  

• Mandarin
  

• Czech
  

• Dutch
  

• Esperanto
  

• Estonian
  

• Finnish
  

• French
  

• Georgian
  

• German
  

• Greek
  

• Hungarian
  

• Ido
  

• Irish
  

• Italian
  

• Japanese
  

• Korean
  

• Manx
  

• Maori
  

• Norwegian
  

• Bokmål
  

• Nynorsk
  

• Polish
  

• Portuguese
  

• Romanian
  

• Russian
  

• Serbo-Croatian
  

• Cyrillic
  

• Roman
  

• Swedish
  

• Thai
  

• Turkish
  

• Vietnamese
  

• Welsh