Kurebesa kukwenya kunyura uye decompression kumberi, yakakora yekubatanidza tsvimbo chitubu kumashure, akafara uye akadzika matayi, zvine musoro kutonga kwebhatiri, kureba kutasva mileage, hupenyu hwesevhisi hurefu, kukwira kune simba, muviri unopeta uye kuchengetedza kuri nyore.