d. Clearing: use xylene to get rid of alcohol alcohol and xylene are embedding mediums e. Embedding: firstly, heat the paraffin, make it melt, then put tissue block into melted paraffin allow parafin harden, the tissue block is embedded ind. Clearing: use xylene to get rid of alcohol *alcohol and xylene are embedding mediums e. Embedding: firstly, heat the paraffin, make it melt, then put tissue block into melted paraffin, allow paraffin harden, the tissue block is embedded in