This lesson discusses identifying materials and tools for masonry work. It defines masonry as the construction of parts bound by mortar. Common masonry materials include brick, stone, concrete block, and glass block. Masonry tools are classified into roughing up tools like hammers and chisels, and finishing tools like floats and trowels. The lesson also explains different stone types, brick laying patterns, and types of blocks used in masonry. Learners should be able to identify appropriate materials and tools for specific masonry jobs based on the information provided.