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2. Refrigerator - Wikipedia

   en.wikipedia.org/wiki/Refrigerator

   Tier 1 refrigerators are those that are 20% to 24.9% more efficient than the Federal minimum standards set by the National Appliance Energy Conservation Act (NAECA). Tier 2 are those that are 25% to 29.9% more efficient. Tier 3 is the highest qualification, for those refrigerators that are at least 30% more efficient than Federal standards. [42]

3. Stainless steel - Wikipedia

   en.wikipedia.org/wiki/Stainless_steel

   Stainless steel, also known as inox, corrosion-resistant steel (CRES), and rustless steel, is an iron-based alloy containing a minimum level of chromium that is resistant to rusting and corrosion. Stainless steel's resistance to corrosion results from the 10.5%, or more, chromium content which forms a passive film that can protect the material ...

4. Induction cooking - Wikipedia

   en.wikipedia.org/wiki/Induction_cooking

   Induction cooking surfaces work well with any pans with a high ferrous metal content at the base. Cast iron pans and any black metal or iron pans are compatible. Stainless steel pans are compatible if the base of the pan is a magnetic grade of stainless steel. If a magnet sticks well to the bottom of the pan, it is compatible.

5. Auto-defrost - Wikipedia

   en.wikipedia.org/wiki/Auto-defrost

   While this technique was originally applied to the refrigerator compartment, it was later used for freezer compartment as well. A combined refrigerator/freezer which applies self-defrosting to the refrigerator compartment only is usually called "partial frost free" or semi-automatic defrost (some brands call these "Auto Defrost" while Frigidaire referred to their semi-automatic models as ...

6. Timeline of Australian inventions - Wikipedia

   en.wikipedia.org/wiki/Timeline_of_Australian...

   1856 – Refrigerator – Using the principle of vapour compression, James Harrison produced the world's first practical ice making machine and refrigerator. [4] 1856 – Secret Ballot voting invented by Henry Chapman and first used in the Victorian election on 23 September 1856. Voters had their names marked off on the electoral roll at the ...

7. List of ISO standards 3000–4999 - Wikipedia

   en.wikipedia.org/wiki/List_of_ISO_standards_3000...

   ISO 4212 Corrosion of Metals and Alloys — Method of oxalic acid etching test for intergranular corrosion of austenitic stainless steel [Under development; original draft with this number unknown] ISO 4213.2 Information technology — Artificial Intelligence — Assessment of machine learning classification performance [Under development ...