Iyo inogona kunyatso kudzivirira kubuda kwemvura uye kudonha kwechivakwa chekuvaka, kuita basa mukuvhunduka kunyura uye kubhuroka, uye zvakare ine yakanaka yekusimbisa uye yekuisa chisimbiso mhedzisiro, saka inoshandiswa zvakanyanya muhupenyu.
Square washers pakuvaka anofanira kutsiva denderedzwa washers pakuvaka huni uye kongiri pasi kushandiswa;Iwo anoshandiswa neese fasteners kune yakakura mitoro kugovera uye bhoti kupinda kuburikidza nemadziro kana huni.
1. Wedzera nzvimbo yekusangana, kuderedza kushushikana kwesimba rekusimbisa pafastener, uye kudzivirira kukanganisa kune fastener.
2. Usakwenya chinosunga kana uchisunga nati.
3. Iyo flower pad uye spring pad inewo basa rekudzivirira nut kubva pakusunungura.