
Usoro nke UC na-ezo aka na ahaziri ahazi, ejiri ọtụtụ ebe Ohiri isi ngọngọ nkeji bọọlụ nwere aka nkwụnye aka. N'ime isi ha bụ bọọlụ nwere oghere dị omimi nke nwere a dayameta mpụta okirikiri (SPB) emebere ka ọ dabara n'ime oghere okirikiri dabara adaba nke ụlọ nkedo. Na-akwado metric akụkụ, A na-ahazi usoro isiokwu a maka ngwa mmepụta ihe na-achọ ikike ibu dị elu, nrụnye kwụ ọtọ, na arụmọrụ a pụrụ ịdabere na ya.
| ISO | UCT212-39 | |
| Nrụpụta Mba. | UC212-39 | |
| Ebe obibi | T212 | |
| Obere dayameta | d | 2-7/16 nke |
| Ogologo oghere mgbakwunye | o | 1-17/64 n'arọ |
| Ọgwụgwụ mgbakwunye ogologo | g | 3/4 nke anụ ọhịa |
| Elu nke mgbakwunye njedebe | p | 4-1 / 64 n'arọ |
| Elu nke oghere mgbakwunye | q | 2-1/32 nke anụ ọhịa |
| Dayameta nke mgbakwunye bolt oghere | s | 1-3/8 nke anụ ọhịa |
| Ogologo uzo piloting | b | 4-1 / 64 n'arọ |
| Obosara uzo piloting | k | 55/64 nke |
| Ịgba elu | e | 5-1/8 n'arọ |
| N'ozuzu elu | a | 5-3/4 nke anụ ọhịa |
| N'ozuzu ogologo | w | 7-41/64 n'arọ |
| N'ozuzu obosara | j | 2-33/64 nke |
| Obosara oghere | l | 1-21/32 nke |
| Ebe dị anya site na njedebe ihu ruo na ahịrị etiti nke dayameta oche okirikiri | h | 4-11/64 nke |
| Obosara mgbanaka ime | B | 2.563 n'arọ |
| Center of Bearing from End | n | 1 in |
| Ibu ibu | 4,88 n'arọ | |