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.