Answer
Gingilchaan qabannaa ispiraalii sibiilaa diriiraa irraa kan marfame yoo ta’u, akka sarkiliippii chaappaa qabuutti ‘gurra’ ykn ‘lugs’ hin qabu. Akka baafamuuf hayyamuuf, 'notch' ykn 'slot' xiqqaan dhuma gingilchaa tokko keessatti walitti makama. Notch kun ogeessi tokko screwdriver ykn meeshaa addaa galchuun dhuma ring sanaa groove keessaa akka baasu isa dandeessisa. Notch buqqisuu sirnaan qophaa’e malee, ring sana shaafta ykn boora osoo hin miidhiin baasuun hin danda’amu jechuun ni danda’ama. In heavy machinery, where components are often covered in grease or debris, the notch must be large enough to be located visually or by feel. Kana malees, ji’oomeetiriin notch yeroo hojiitti dadhabbiin kufaatii fiduu danda’u qabxii qindoomina dhiibbaa guddaa akka hin uumneef kan qophaa’edha.
