1. Kukaniza kwamadzimadzi kumakhala kochepa, ndipo valavu yodzaza mpira imakhalabe kukana kutuluka.
2. Mapangidwe osavuta, kukula kochepa ndi kulemera kochepa.
3. Pafupi ndi odalirika.Lili ndi malo awiri osindikizira, ndipo zipangizo zamakono zosindikizira za ma valve a mpira zimagwiritsidwa ntchito kwambiri m'mapulasitiki osiyanasiyana, omwe ali ndi ntchito yabwino yosindikiza ndipo amatha kukwaniritsa kusindikiza kwathunthu.Amagwiritsidwanso ntchito kwambiri m'makina a vacuum.
4. Ndi yosavuta kugwiritsa ntchito ndi kutsegula ndi kutseka mwamsanga.Imangofunika kuzungulira 90 ° kuchokera kutseguka kwathunthu mpaka kutsekedwa kwathunthu, komwe ndikosavuta kuwongolera kutali.
5. Kukonza bwino, kapangidwe kosavuta ka valve ya mpira, mphete yosindikizira nthawi zambiri, yosavuta kusokoneza ndikuyika m'malo.