Similarly, liquid magma also turns into a solid &#8212 a rock &#8212 when it is cooled. Any rock that forms from the cooling of magma is an igneous rock. Magma that cools quickly forms one kind of igneous rock, and magma that cools slowly forms another kind. When magma rises from deep within the earth and explodes out of a volcano, it is called lava, and it cools quickly on the surface.
A flowerpot filled with potting soil. Potting soil, also known as potting mix or potting compost, is a medium in which to grow plants, herbs and vegetables in a pot or other durable container.
Shotcrete is the spraying of concrete onto a receiving surface at high velocity. This is achieved by conveying the concrete through a hose where compressed air or water is added at a nozzle attached to a hose end. There are 2 methods of shotcrete.The wet mix method and the dry mix method. In the wet mix method, low slump ready mixed concrete is pump through a hose where air is added at a nozzle.In the dry mix method, cementitious material is veyed by an air steam where water is introduced at the point of discharge.he wet mix method and the dry mix method. In the wet mix method, low slump ready mixed concrete is pump through a hose where air is added at a nozzle. In the dry mix method, cementitious material is veyed by an air steam where water is introduced at the point of discharge.