Ndị na-eso "akwụkwọ ndụ" Green "nwalere ụkpụrụ ihe ngosi n'ụlọ. Maka mmepụta ọkụ eletrik, ụlọ na ọdọ Geneva na Wisconsin, anakọtara n'ọtụtụ ebe nchekwa, nwere ogwe nkịtị. N'ime ime ụlọ, na-acha anụnụ anụnụ rịbb, na-agbasi mbọ ike site na ụkpụrụ nke atụmatụ nchịkwa oke ọhịa, na-ede ".
Sistemụaka na-egosi usoro mkpuchi mkpuchi na-egosi 95-97% na-enwe ike ike ume ma na-egbochi imeju. A na-ejikọ mkpụrụ obi ndị ahụ na ìhè anyanwụ. N'oge owuwu nke Veranda, ihe sitere na osikapa na osikapa.
