Congea and Sempervivum, are which type of items?
Congea Congea is a small genus of flowering plants in the mint family, Lamiaceae, first described in 1820.
Storage clamp A clamp is a compact heap, mound or pile of materials. A storage clamp is used in the agricultural industry for temporary storage of root crops such as potato, turnip, rutabaga, mangelwurzel, and sugar beet.