Ajụjụ a bụ: "Enwere ike ịdọrọ plunger ma tinye ya n'ime ọkpọkọ cylindrical (nke a na-akpọ gbọmgbọm), na-ekwe ka ogwu ogbugba ahụ banye ma wepụ mmiri ma ọ bụ gas site na njedebe nke ọkpọkọ ahụ"? Isiokwu a bụ Ọgwụ.
"Olee otú ogwu insulin si arụ ọrụ?"