<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><br class=""><div><blockquote type="cite" class=""><div class="">4. 11. 2018 v 23:35, Bruce Mutton via Therion <<a href="mailto:therion@speleo.sk" class="">therion@speleo.sk</a>>:</div><br class="Apple-interchange-newline"><div class=""><span style="font-family: Calibri, sans-serif; font-size: 15px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">It happens for me all the time, and I wipe with my hand, lick the display clean (yuk), or wash it in a stream or from my water bottle.</span></div></blockquote></div><br class=""><div class="">As wrote Marbach (in Alpine Caving Techniques <a href="http://speleo.lt/speleo/Knygos/Speleo/EN/Alpine%20Cave%20Techniques%20%5BEN%5D.pdf" class="">http://speleo.lt/speleo/Knygos/Speleo/EN/Alpine%20Cave%20Techniques%20%5BEN%5D.pdf</a>): </div><div class=""><br class=""></div><div class="">His tongue is sometimes only the clean part of body of a caver.</div><div class=""><br class=""></div><div class="">m.</div></body></html>