Disk-kvalificering.
Vi vet väl alla att det är mera energisnålt att diska med maskin, eller….........? Det finns nu omsorgsfulla belägg för att det ibland är sant och ibland inte! Men det verkar som om man för att slå maskinen måste vara extremt noggrann - på gränsen till maskinell!
Men ända att en studie presenterad i 21 seklet redovisar i gallon, BTU och pund!! Det är tydligen sant att Anglosaxarna går över till det metriska systemet men att de gör det tum för tum.
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