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A hand-shaped planter made of hypertufa. Aggregates are generally Sphagnum (peat moss), sand, and perlite or vermiculite. [1] Coconut coir is coming to take the place of sphagnum moss, as the latter is a very slowly renewing natural resource and the former is a ready byproduct of the coconut industry— it has all the advantages of the moss but without the environmental costs.
Raised bed gardening. Raised-bed gardening is a form of gardening in which the soil is raised above ground level and usually enclosed in some way. Raised bed structures can be made of wood, rock, concrete or other materials, and can be of any size or shape. [1]
Besides volcanic ash for making regular Roman concrete, brick dust can also be used. Besides regular Roman concrete, the Romans also invented hydraulic concrete, which they made from volcanic ash and clay. [2] Some types of concrete used to make garden sculptures and planters have been called composition stone or composite stone. There is no ...
Casting is most often used for making complex shapes that would be otherwise difficult or uneconomical to make by other methods. Heavy equipment like machine tool beds, ships' propellers, etc. can be cast easily in the required size, rather than fabricating by joining several small pieces. [1] Casting is a 7,000-year-old process.
Concrete is a composite material composed of aggregate bonded together with a fluid cement that cures to a solid over time. Concrete is the second-most-used substance in the world after water, [1] and is the most widely used building material. [2] Its usage worldwide, ton for ton, is twice that of steel, wood, plastics, and aluminium combined. [3]
Formwork is molds into which concrete or similar materials are either precast or cast-in-place. In the context of concrete construction, the falsework supports the shuttering molds. In specialty applications formwork may be permanently incorporated into the final structure, adding insulation or helping reinforce the finished structure.
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