Install a tube: make sure it ha a diameter of at least 50 mm, with a smooth inner wall and a remorquage fil de fer in it. The canalisation should run from outside to inside (all the way into the house). Celui-ci mécanisme de démo est potentiellement intéressant contre les https://www.becharge.be/be-fr/Acheter/cartes-cadeaux-LEGO-Belgium-3-708