| 摘要 |
A container comprising a single or multi-layer outer shell characterised in that the outer shell (2) is provided with an inner-most wall or coating (3) of a material which is insoluble while the container is in use but is soluble or solulisable in a wash liquid. Residues of the materials contained in the container are completely and safely removed by dissolving the inner-most wall or coating (3) in the wash liquid. |
