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The organic filter

This filter creates the production of an organic fertilizer directly digestibale by plants by associating earthworm compost and organic filter.

• Easy
• 3 hour(s)

توربین بادی

Creating a wind turbine from printer stepper motors

• Medium
• 1 day(s)

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Pages in category "Pages avec des liens de fichiers brisés"

The following 10 pages are in this category, out of 10 total.