green engineering

en-GB/ˈɡɹiːn ˌɛnd͡ʒɪˈnɪəɹɪŋ/
en-US/ˈɡɹin ˌɛnd͡ʒəˈniɹɪŋ/

カテゴリ：

engineeringsustainable developmentsustainabilityproductdesign