Akɔntabubu le atrakpui siwo ƒe tɔtrɔ nye 90 ŋu°
Tsɔ didime siwo hiã la gblɔ le milimeta me
X - ʋuƒo si atrakpuiawo axɔ la ƒe didime
Y - kɔkɔme tso dzisasrã gbãtɔ ƒe anyigba dzi va ɖo dzisasrã evelia ƒe anyigba
E - Atrakpui ƒe kekeme
F - ledge ƒe afɔɖeɖewo
Z - Afɔɖeɖe ƒe titrime
C - afɔɖeɖewo katã ƒe xexlẽme
P - Afɔɖeɖewo ƒe xexlẽme + teƒe
Atrakpui siwo trɔna ƒe akɔntabubu sesẽ vie wu atrakpui dzɔdzɔewo ƒe akɔntabubu.
Wobua akɔnta le atrakpuiawo ƒe nyonyo ŋu to mɔfiame si wotu ɖe afɔɖeɖea ƒe didime dzi dzi.
Amegbetɔ ƒe afɔɖeɖe ƒe didime tso sentimeta 60 va ɖo 66, eye le mama dedie nu la, sentimeta 63.
Atrakpui si dzi woate ŋu azɔ bɔbɔe la sɔ kple mɔfiame si nye: afɔɖeɖe 2 ƒe kɔkɔme + afɔɖeɖe ƒe goglome = 63±3 cm.
Atrakpuiawo ƒe togbɛ si dzi wofa wue nye tso 30° va ɖo 40°.
Ele be atrakpuiawo ƒe atrakpuiwo ƒe goglome nasɔ kple afɔkpa ƒe lolome 45 - ne mede ɖeke o la, sentimeta 28-30.
Woate ŋu axe fe ɖe goglome ƒe anyimanɔmanɔ ta to afɔɖeɖea ƒe dodo ɖe ŋgɔ me.
Ele be afɔɖeɖea ƒe kɔkɔme nade sentimeta 20-25.
Àte ŋu akpɔ alesi wòanɔ bɔbɔe na ʋuƒo si wotsɔna trɔa asi le nuƒolanɔƒea hã ne ètrɔ nuƒolanɔƒea ƒe kɔkɔme.
Ðoɖowɔɖia awɔ atrakpui siwo trɔna ƒe nɔnɔmetatawo kple dzogoe veviwo kple woƒe didimewo.
Nutataawo ɖe atrakpuiawo ƒe didime bliboa fia, wode dzesi atrakpuiawo tame le akplɔawo dzi, atrakpuiawo ƒe dzogoewo kple atrakpuiawo ŋutɔ ƒe didime veviwo.