what does masonry include
construction work performed during the erection of stonework on buildings and structures made of natural and artificial masonry materials. Masonry work is a complex of processes that includes, in addition to the basic processes (the laying of brick or other stone in mortar, the delivery and laying out of the stone, and the smoothing of the mortar), related auxiliary processes (the erection of scaffolding and trestles and preparation of the materials at the construction site).