Build a raised bed from your own spruce. 3 times 3 meters long and 1.5 meters wide Episode 4/5

What to do with my spruce trees that were attacked by the bark beetle and have died? Since my wife has been wanting a raised bed for a long time, 2 birds are now being killed with one stone!
Bosch Professional hand-held circular saw GKS 190: amzn.to/3JZhw1u
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Bubble wrap for raised beds: amzn.to/399ZgWx