Copyleft Public copyright licenses Open content dm Somlai-Fischer Optics Public sphere Share-alike Walkie-talkie Light-emitting diode Microphone Laser Creative Commons license | | TABLE OF CONTENTS INTRODUCTION ............................................................................................................... 3 LOW TECH ..................................................................Add to Reading ListSource URL: lowtech.propositions.org.ukDownload Document from Source Website File Size: 1,10 MBShare Document on Facebook
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