Here are entered general works on commodity exchanges. Works on exchanges dealing in a single commodity or class of commodities are entered under the specific commodity industry, e.g. Cotton trade; Grain trade; etc.
Here are entered works on commercial products with recycled content. Works on the debris resulting from a process, such as manufacturing, that is of no further use to the system producing it are entered under Waste products.
Here are entered works on commercial products with recycled content. Works on the debris resulting from a process, such as manufacturing, that is of no further use to the system producing it are entered under Waste products.
