One use for pruned olive branches is as firewood. They smell nice and, when dry, burn very well and because the wood is so hard its good exercise to saw them up by hand. Since it takes more than a year for the wood to dry out enough to burn without excessive hissing these logs, the last from this year's pruning, are for next winter.... As always you can click on the image to see it enlarged and go here to see earlier pictures in the series.