"In-can" typically refers to something that is contained within a can or container. It is commonly used in the context of products or substances that are packaged in sealed cans or containers for convenience, preservation, or transportation. For example, "in-can preservation" refers to the use of additives or techniques to protect the contents of a can from spoilage or degradation. Similarly, "in-can mixing" may refer to the process of mixing or blending ingredients or substances within a sealed can before use. The term "in-can" simply denotes that something is located or taking place within a specific can or container.