Ukulayishwa kwamapuleti aseceleni aphansi ama-paddles enziwe ngendlela oyifisayo ukuze avumelane nokunyakaza kwabantu. Ngokusekelwa okuzimele kokuphakamisa izinsimbi, ukunyakaza okuhlukene nokuguquguqukayo kungenziwa ukuze kuthuthukiswe amandla emisipha anxeshezelwe futhi kunikeze ukugqugquzelwa kwemisipha okuhlukahlukene. Ivumela ukwenziwa kwe-trajectory ehlukile yokunyakaza, ngokuphambene kakhulu nomshini wokunyathelisa obheke emuva.