Izikulufu ze-Allen ziyingxenye evamile yokuxhumana eyimishini evame ukusetshenziselwa ukulungisa nokuhlanganisa izinto ezifana nensimbi, ipulasitiki, ukhuni, njll. Inekhanda elingaphakathi elinezinhlangothi ezine elingaphendukizwa ngesikrufu sika-Allen esihambisanayo noma umgqomo wokukrufusha futhi inikeza ukudluliswa kwetorque enkulu. umthamo. Izikulufu ze-hexagon zesokhethi zenziwe ngensimbi ye-alloy yekhwalithi ephezulu noma insimbi engagqwali, enokumelana nokugqwala okuhle namandla aqinile, futhi ifanele indawo ehlukahlukene nezimo zokusebenza.