Mix mortar, plaster, and grout, manually or using machines, according to standard formulas. Erect scaffolding or other installation structures. Cut materials to specified sizes for installation, using power saws or tile cutters. Modify material moving, mixing, grouting, grinding, polishing, or cleaning procedures, according to installation or material requirements. Transport materials, tools, or machines to installation sites, manually or using conveyance equipment. Provide assistance in the preparation, installation, repair, or rebuilding of tile, brick, or stone surfaces. Locate and supply materials to masons for installation, following drawings or numbered sequences. Arrange or store materials, machines, tools, or equipment. Clean installation surfaces, equipment, tools, work sites, or storage areas, using water, chemical solutions, oxygen lances, or polishing machines. Move or position materials such as marble slabs, using cranes, hoists, or dollies. Remove excess grout or residue from tile or brick joints, using sponges or trowels. Apply grout between joints of bricks or tiles, using grouting trowels. Apply caulk, sealants, or other agents to installed surfaces. Remove damaged tile, brick, or mortar, and clean or prepare surfaces, using pliers, hammers, chisels, drills, wire brushes, or metal wire anchors. Correct surface imperfections or fill chipped, cracked, or broken bricks or tiles, using fillers, adhesives, or grouting materials.