conservation

CONSERVATION noun

[ U ] uk/ˌkɒnsəˈveɪʃən/ us conservation noun [U]
(NOT WASTE)

the careful use of energy, water, etc so that they are not wasted

сохранение

№2 (2472)№2 (2472)№3 (2359)№4 (2354)№5 (2318)№6 (2316)№7 (2314)№8 (2313)№8 (2313)№8 (2313)№8 (2313)№8 (2313)№8 (2313)№8 (2313)№8 (2313)№8 (2313)№8 (2313)№8 (2313)№8 (2313)№8 (2313)№8 (2313)№8 (2313)№8 (2313)№8 (2313)№8 (2313)№8 (2313)№8 (2313)№8 (2313)№8 (2313)№8 (2313)№8 (2313)№8 (2313)№8 (2313)№8 (2313)№8 (2313)№8 (2313)№8 (2313)№8 (2313)№8 (2313)№8 (2313)№8 (2313)№8 (2313)№8 (2313)№8 (2313)№8 (2313)№9 (2310)№9 (2310)№10 (2302)