Black, tarry stools. blood in urine or stools. cough or hoarseness. fever or chills. lower back or side pain. painful or difficult urination. pinpoint red spots on skin. unusual bleeding or bruising.
Builder's Sand. Builder's Sand, also known as Plasterer's, Mason, or Bricklayer's Sand is a finer grade sand with smaller particles. It's often mixed with water and cement to make mortar for laying bricks/blocks. Ï scale - 3 to 2. Size range - 125â250 Âµm (0.0049â0.010 in)
Sand is a loose granular material blanketing the beaches, riverbeds and deserts of the world. Composed of different materials that vary depending on location, sand comes in an array of colors including white, black, green and even pink. The most common component of sand is silicon dioxide in the form of quartz.and is a loose granular material blanketing the beaches, riverbeds and deserts of the world. Composed of different materials that vary depending on location, sand comes in an array of colors including white, black, green and even pink. The most common component of sand is silicon dioxide in the form of quartz.