Ruwa

Ruwa
oxide (en) da dihydrogen chalcogenide (en)
Kayan haɗi	iskar shaƙa da hydrogen (en)
Said to be the same as (en)	water (en)

Wani tafki (/ˈrɛzervwɑːr/; daga [ʁezɛʁvwaʁ]) tafki ne mai girma a bayan madatsar ruwa, yawanci ana gina shi don adana Ruwa mai kyau, sau da yawa ninka sau biyu don samar da wutar lantarki.

Ana kirkirar tankuna ta hanyar sarrafa hanyar ruwa wanda ke zubar da ruwa, katse hanyar ruwa don samar da embayment a ciki, tonowa, ko gina kowane adadin ganuwar rikewa ko digues don rufe kowane yanki don adana ruwa.^[1]

Hakanan ana amfani da kalmar ta hanyar fasaha don komawa ga wasu nau'ikan ajiyar ruwa, irin su "tashin sanyaya" wanda ke kama yawan sanyaya a cikin tsarin sanyaya na mota.^[2]

1. ↑ https://www.bbc.com/hausa/news/2012/08/120824_nigeria_flooding
2. ↑ "Coolant Reservoir". Canadian Tire.