Answer
'Nesting' cyangwa 'Stacking' bibaho mugihe imiraba yegeranye ihindagurika mumasoko menshi ahindagurika ntagumane guhuza impinga-mpinga ahubwo ikanyerera mubibaya. Ibi bihindura neza isoko ya Crest-to-Crest ihinduka isoko iringaniye, ikubye kabiri igipimo cy $ $ $ kandi birashoboka ko isoko ishobora kugera muburebure 'butajegajega' imburagihe. Ibi akenshi biterwa no kubura ubuyobozi bwimbere cyangwa hanze (pilote) cyangwa no kunyeganyega gukabije 'gutontoma' guhinduka bivuye kumurongo. Igisubizo nugukoresha 'Shim Ends' kugirango uhagarike impera cyangwa kongera umubyimba wa diametrical kugirango amasoko 'ahumeke' adafashe.