Wat is PPM: Revision history

Jump to navigation Jump to search

Diff selection: Mark the radio buttons of the revisions to compare and hit enter or the button at the bottom.
Legend: (cur) = difference with latest revision, (prev) = difference with preceding revision, m = minor edit.

11 January 2021

  • curprev 16:5116:51, 11 January 2021 Juerd talk contribs 307 bytes +307 Created page with "== Wat is PPM? == PPM staat voor Parts Per Million en is de gangbare eenheid voor het uitdrukken van de concentratie koolzuurgas (CO2) in lucht. De buitenlucht is rond de 420..."
Retrieved from "https://operame.nl/Wat_is_PPM"