Sometimes when your calcium/magnesium ratio is off, you can get twitching. I get one in my diaphram that feels like a fish flopping in my chest. If you are low in calcium intake, or very low in magnesium, the muscles do a dance of sorts. So you could try to balance that out.
(February 2017) A concrete slab is a common structural element of modern buildings. Horizontal slabs of steel reinforced concrete, typically between 4 and 20 inches (100 and 500 millimeters) thick, are most often used to construct floors and ceilings, while thinner slabs are also used for exterior paving.
A perfect new slab. Pouring a concrete slab is a major project in itself and we wonât explain how to do it here. Whether you do it yourself or hire a contractor, here are the requirements for a lasting, tile-ready slab: Patio slabs are typically 3-1/2 in. thick and reinforced with steel mesh (if anything).