- Operate correctly with the necessary work equipment (machines, tools, tools, personal protective equipment and auxiliary means) to achieve the required performance and quality, observing the established safety measures and carrying out end-of-day operations. - Control the production of mortars and concrete, both with manual and mechanical means, to receive and fill factory parts, obtaining the required consistency and resistance conditions and respecting the established safety measures. - Relay the necessary references and place the fences to guide the survey of factories, reproducing the geometry defined in the plans and respecting the admitted tolerance margin. - Raise exposed brick or block factories received with mortars to obtain resistant enclosures or walls defined in the project, respecting the established quality and safety conditions. - Raise exposed stone masonry received dry or with mortars, to obtain resistant enclosures or walls defined in the project, respecting the established quality and safety conditions. - Make arches, voussoir lintels, cornices and other unique finishes of exposed masonry to obtain the openings, panels and moldings of the façade defined in the project, respecting the established quality and safety conditions.