a) Mere si transperent PC
b) Dabara na pịa ma ọ bụ kpochie bọtịnụ nkwụsị ihe mberede.
c) A na-eji ngwa ngwa ma na-egbochi ndị ọrụ ịrụ ọrụ na-akpachapụghị anya.
d) Dabara ma 22.7mm-29.8mm dayameta switches.
| Akụkụ nke. | Nkọwa |
| SBL09 | Dayameta oghere: 22.7mm; elu ime: 47mm |
| SBL10 | Dayameta oghere: 29.8min; elu n'ime: 47mm |


Mkpọchi eletriki & Pneumatic