Abstract: A plant cultivation device includes a plate having a top edge, a lower edge and two ends, wherein the two ends are connected with each other so as to form a tubular object in which medium is filled. A plurality of holes are defined therethrough and young plants are planted in the medium via the holes. A netted member is engaged with an inner periphery of the plate and located close to the lower edge of the plate so as to prevent the medium from flowing from the device.

Abstract: A cold storage includes a room having a peripheral wall, and a plurality of cold storage container modules each received in the room and each including a plurality of hollow cold storage containers each having an open end wall attached to and flush with the outside of the peripheral wall of the room. Each of the cold storage containers includes a drawer slidably mounted therein and extending outward from the open end wall thereof.