Ho Hlahisa Li-valve tsa Butterfly tsa Boleng bo Holimo Feela

Li-valve tsa mofuta oa "NSEN" li 'nile tsa thabela botumo bo botle indastering ena ka nako e telele.
Li-valve tsa hao tse phethahetseng ke takatso ea rona.

NSEN - Khamphani

NSEN e thehiloe ka 1983, ke kgwebo ya saense le theknoloji e etsang ka ho khetheha di-valve tsa serurubele tsa tshepe ho ya ho tshepe le ho kopanya ntshetsopele ya di-valve, tlhahiso, thekiso le tshebeletso.

Ka boiphihlelo ba dilemo tse fetang 30, NSEN e hahile sehlopha se tsitsitseng sa ditalenta tsa boleng bo hodimo, ho bona ditekgeniki tse fetang 20 tsa maemo a hodimo le a mahareng di ntse di kenya letsoho ho…