A method for packaging non-liquid food products, particularly those sensitive to oxygen, such as vegetables, in a container with a low oxygen content, the container including an opening. The mock blouse is secured at the lower corners around the upper waist by tie-strings. A method of interfacing at least two components with different logic voltage requirements on a single bus without a separate directional control signal includes initializing a buffering circuit, activating the buffering circuit, transferring data through the buffering circuit, and deactivating the buffering circuit.