a man stripped to the waist is laying the mortar with a spatula for mounting a wall of aerated concrete blocks. self-construction

aac acc adult aerated aircrete alc amateur block blocks build builder cement coating concrete construction engineer engineering eps from gas hand handyman hebel house labor laborer laying man mason masonry mortar mounting naked outer private repair self selfconstruction silicate siporex spatula squatter stripped summer torso trowel undressed wall work worker