Auscandoc<p>It is an immutable <a href="https://med-mastodon.com/tags/LawOfTheUniverse" class="mention hashtag" rel="tag">#<span>LawOfTheUniverse</span></a> that, if one needs one of those flat watch type batteries, the one spare that happens to be in the drawer is not the correct type. </p><p>Shades of <a href="https://med-mastodon.com/tags/BistroMath" class="mention hashtag" rel="tag">#<span>BistroMath</span></a> <a href="https://med-mastodon.com/tags/DouglasAdams" class="mention hashtag" rel="tag">#<span>DouglasAdams</span></a></p>