• earmuff@lemmy.dbzer0.com
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    4 days ago

    In Europe Union (and other countries probably, too), the superior rating is an official classification[1]. The ranking from worst to best looks like this:


    ★S
    ★★
    ★★S
    ★★★
    ★★★S
    ★★★★
    ★★★★S
    ★★★★★
    ★★★★★S

    [1]Wikipedia.org