Motsoako oa koporo oa nickel o na le khanyetso e tlase ea motlakase, o hanela mocheso hantle ebile o hanela mafome, o bonolo ho sebetsoa le ho tjheseletsa loto.
E sebedisetswa ho etsa dikarolo tsa bohlokwa ho relay ya ho fetisa mocheso, sethibela-mocheso se nang le kganyetso e tlase, le disebediswa tsa motlakase. Hape ke thepa ya bohlokwa bakeng sa thapo ya ho futhumatsa ya motlakase.

Mefuta ea boholo:
Terata: 0.05-10mm
Liribone: 0.05*0.2-2.0*6.0mm
Sekotwana: 0.05*5.0-5.0*250mm