<div dir="ltr">Staci trocha vakua a izolepa.<div><br></div><div><a href="http://www.iflscience.com/physics/peeling-sticky-tape-produces-x-rays">http://www.iflscience.com/physics/peeling-sticky-tape-produces-x-rays</a><br></div>
<div><br></div><div>PK</div></div>