What Masonry Workers Do About this section. Masons use bricks, concrete blocks, or concrete to build walls, walkways, and fences. Masonry workers, also known as masons, use bricks, concrete blocks, concrete, and natural and manmade stones to build walls, walkways, fences, and other masonry structures. Duties Masons typically do the following: 1  Read blueprints or drawings to calculate materials needed. 2  Lay out patterns, forms, or foundations according to plans. 3  Break or cut materials to required size. 4  Mix mortar or grout and spread it onto a slab or foundation. 5  Clean excess mortar with trowels and other hand tools.
siniestro (feminine singular siniestra, masculine plural siniestros, feminine plural siniestras) 1  left, left-hand (direction) 2  sinister. 3  unhappy. 4  malicious, evil. ( 5 heraldry) sinister, sinistral.
Trivia.  1 Isidro is the Spanish variant of the Greek name Isidore, which means Gift of Isis - the Egyptian goddess. His name in romanji, Ishidoro, is a combination of two Japanese words, Ishi (stone) and DorobÅ (thief). 2  Isidro is the second companion to join Guts' traveling party, after Puck.