A Low Cost Cookstove which Uses Waste Engine Oil or Waste Vegetable Oil as a clean Cooking Energy Source
主讲人: Lucia Petro
活动: ECHO East Africa Symposium On Appropriate Technology - Arusha TZ 2023 (2023-08-10)
主讲人: Lucia Petro
活动: ECHO East Africa Symposium On Appropriate Technology - Arusha TZ 2023 (2023-08-10)