NSF/ANSI 6-2023: Dispensing Freezers
In the times before fridges and freezers, ancient civilizations utilized nature to preserve food. They insulated pits with saw and sand (in order to keep warm air from getting in)…
ISO 19869:2019—Clean Cookstoves
At the intersection of health, environment, and poverty alleviation—especially in low- and middle-income countries—clean cookstoves offer a key solution. Their…
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