Wobetumi ahu abakɔsɛm a ɛfa vacuum cleaners a ɛteɛ ho wɔ afeha a ɛto so 20 mfiase, na wɔanya mfiridwuma ne nhyehyɛe mu nkɔso pii. ."
Nkɔso a ɛba ntɛm .
Wobetumi ahu adwene a ɛne sɛ nneɛma a wɔde tew nneɛma ho teɛ no akɔ akyiri akodu 1901, bere a Britania mfiridwumayɛfo Hubert Booth yɛɛ anyinam ahoɔden afiri a wɔde yiyi nneɛma mu a edi kan. no ɛwom sɛ na afiri a wɔde tew nneɛma ho ntɛm no yɛ kɛse na na ehia sɛ wɔde gu kar so de di dwuma de, nanso ɛhyɛɛ nnɛyi ofie vacuum cleaners awo agyirae{2}}
Mfiridwuma mu nkɔso ne agye din .
Bere kɔɔ so no, vacuum cleaners ho nhyehyɛe no nkakrankakra bɛyɛɛ hare na mfaso wɔ so. Wɔ 1907 mu no, Amerikani a ɔyɛɛ nneɛma Spangella maa vacuum cleaners no ho nhyehyɛe yɛɛ yiye, na ɛmaa ɛyɛɛ hare na anyinam ahoɔden. ahoɔden wɔ afe koro no ara mu no, Hoover de "O" type vacuum cleaner no bae, a na ɛyɛ vacuum cleaner, a ɛyɛ vacuum well, which an well, which a well, which a el
Nnɛyi nhyehyɛe ne dwumadie .
Nnɛyi vacuum cleaners no yɛ nea wɔasi so dua kɛse wɔ user osuahu ne dwumadie. wɔtaa de ahoɔden suction, adwumayɛ a ɛyɛ mmerɛw ne nneɛma ahorow a wɔde di dwuma, a ɛfata ma ahotew kapet akɛse ne mmeae akɛse afoforo{1}} son ntham, nnɛyi vacuum cleaners a ɛtenetenee cleaners taa wɔ automatic features, te sɛ automatic navigation ne cleaning modes, a ɛma cleaning results ne convenice results and conved{}2{}2}2}2{2}2}2}2}2{}2}2}2}2{}2}2}2{}2}2}2}2}2{}2}2}2}2}2}2}2 no ho nhyehyɛe pa}
