A matsayin kayan aiki na yau da kullun a rayuwar ɗan adam, keken hannu yana ba mu sauƙi da inganci. A hakikanin gaskiya, za mu ga cewa ƙafafun keken sun ƙunshi nau'i biyu na ƙafafun shugabanci da na duniya, to yaya za a rarraba waɗannan biyun?
Gabaɗaya magana, yana da ma'ana don tsara trolley ɗin da ba a kwance ba tare da ƙafafun jagora a gaba da ƙafafun duniya a baya. Dabarun duniya ta baya galibi tana sarrafa alkibla kuma tana buƙatar ƙarancin juzu'i yayin canza alkibla. Saboda haka, yana adana makamashi lokacin juyawa. Gaba shine dabaran jagora, lokacin tafiya a madaidaiciyar layi, ikon sarrafa hannu don daidaita alkibla yana buƙatar ƙarancin ƙarfi. Lokacin juyawa, yana da sauƙi. Gabaɗaya, dabaran duniya da dabaran jagora tare da yin amfani da keken gabaɗaya ita ce ƙafafu na gaba biyu na gaba, ƙafar ƙafa biyu na duniya, lokacin da trolley ɗin ke buƙatar juyawa, baya na ƙafafun duniya tare da turawa, zai tura gaba. na biyu qualitative wheels don juya tare, don kammala matsalar tuƙi.
Sai dai idan akwai buƙatu na musamman don amfani da muhalli. Ga masu tudun yara, za ku ga cewa ƙafafun duniya gaba ɗaya suna gaba, wannan saboda, irin wannan stroller gabaɗaya yana da ƙarfin gaba, da wuya ja baya. Matakan jarirai dole ne su taka rawa wajen sauƙaƙe tuƙi, don haka ana hawa su a gaba. Amma an ɗora a gaba, amma kuma sau da yawa saboda dalili na turawa, gaban motar motar motar duniya ba aiki mai kyau ba ne. Abu mai kyau shi ne cewa stroller karami ne kuma mai sauƙin sarrafawa.
Lokacin aikawa: Nuwamba-27-2023