Oyenera mavavu kuchokera 6mm (4in) kuti 101mm (4in) awiri, oyenera mapaipi insulated ndi mtunda wapafupi (1/4in).
Ntchito
Chipangizo chotsekera ndi chipangizo chotsekera chitetezo cha mafakitale chomwe chimasunga zida pamalo otetezeka ndipo zimakhala zotsekedwa. Amagwiritsidwa ntchito poletsa kuchitidwa mwangozi komwe kungabweretse kuvulala kapena kufa, ndipo cholinga china ndicho kukhala chenjezo.
Tanthauzo: Kutseka kwa valve kumagwiritsidwa ntchito makamaka kutseka valavu kuti ateteze chitetezo cha valve.
Ma valve: maloko a ma valve a mpira, maloko a gulugufe, maloko a valve, maloko ozungulira, maloko osiyanasiyana ogwira ntchito, ndi zina zambiri.