The capitalist mode of production is born when labor power itself becomes a commodity, bought and sold. It is a commodity with a unique quality: it creates more value than it costs; it produces surplus-value. This is the shortest possible definition of capitalism: production for surplus-value.
Rice and beans are inexpensive foods that can be stored for 30 years or more if properly packaged, making them good candidates for emergency preparedness food supply. You can store a mixture of beans or a mixture of different rice types, but you must store rice and beans in separate containers. While simple canisters and plastic bags work well for general use storage, long-term storage requires air-tight containers and moisture prevention to prevent food spoilage.
Either way, as long as the ginger is fresh, there should be no problem squeezing out enough juice. (Ginger should be stored, unpeeled, in the vegetable crisper section of the refrigerator-it will last for up to one week if stored in a paper bag, and for 3 - 4 weeks if stored in a plastic bag).