Storage life for all teas can be extended by using desiccant packets, oxygen-absorbing packets, vacuum sealing or store tea in closed containers in a refrigerator.
These round structures are mounted on a wooden platform and have a cooking stove, refrigerator, tables, chairs, countertop, electric lights, heat and outlets.
Powered by a two-piston expansion engine, his refrigerators provided the first reliable supplies of liquid helium in quantities of several hundred to several thousand liters.
