Wood will expand and contract across the grain, and a wide panel made of solid wood could change width by a half of an inch, warping the door frame. By allowing the wood panel to float, it can expand and contract without damaging the door.
Put trimmed and cleaned green beans in the steamer basket, set over the boiling water, cover, and steam until tender to the bite, 3 to 5 minutes (depending, again, on how crisp or tender you like your green beans).
Sort and rinse 1 cup of Bobâs Red Mill Mung Beans. Place in pressure cooker and add 3 cups of water. Secure lid, set pressure to high and begin heating on high heat. When steam begins a steady flow from the release valve, reduce heat to low and let cook for 6 - 8 minutes.