Chigayo cha mpira ndi chida chofunikira chomwe chimagwiritsidwa ntchito kwambiri m'mafakitale osiyanasiyana pogaya ndi kusakaniza zinthu.Zimagwira ntchito yofunika kwambiri pakuchepetsa kukula kwa tinthu tating'onoting'ono, kupititsa patsogolo machitidwe amankhwala, ndikukwaniritsa zosakaniza zofananira.Mphero ya mpira imagwira ntchito pozungulira chidebe cha cylindrical chodzaza ndi zinthu zopera, monga mipira yachitsulo, mipira ya ceramic, kapena ndodo, zomwe zimagundana ndi zinthu kuti zigwere, zomwe zimapangitsa kuti ziwonongeke.Zida zosunthikazi zimapeza ntchito m'magawo osiyanasiyana, kuphatikiza migodi, mankhwala, zoumba, ndi uinjiniya wamankhwala.Kuthekera kwake kuthana ndi njira zonse zowuma ndi zonyowa kumapangitsa kuti ikhale yabwino kusankha kukwaniritsa kukula kwa tinthu ting'onoting'ono ndi nyimbo zofananira.Kuchokera ku mchere ndi ores kupita ku utoto ndi utoto, mphero ya mpira ikupitirizabe kukhala chida chofunika kwambiri pazochitika zamafakitale zambiri, zomwe zimapereka mphamvu, zolondola, komanso zodalirika.
Chigayo cha mpira ndi chida chofunikira kwambiri chomwe chimagwiritsidwa ntchito kwambiri m'mafakitale osiyanasiyana pogaya ndi kusakaniza zinthu.Kugwira ntchito bwino komanso luso lopanga zinthu zambiri kumapangitsa kuti ikhale chida chofunikira kwambiri pazasayansi ndi zomangamanga.Kuti mumvetsetse bwino za mphero ya mpira, chidziwitso chatsatanetsatane ndichofunikira.