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Scrape the grates, then wipe them with a wet rag and brush them with a layer of vegetable oil — effectively seasoning them as you would a cast-iron pan — to keep them more nonstick and rustproof.

None of this scares Cucé, whose life’s work includes making unique properties rustproof.

Some manufacturers make birdbath bowls of rustproof cast aluminum but stick with cast iron for the stand because of its weight.

The waterproof and rustproof GoTenna Mesh, clipped onto your clothing, keeps you connected with the world even without any cell service or Wi-Fi.

They feature weatherproof benches, hatches that hide electricity sockets, rustproof rocking chairs, a fireplace, wood canopies, and an outdoor Wi-Fi network.