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The Unified Soil Classification System (USCS) is a soil classification system used in engineering and geology to describe the texture and grain size of a soil. The classification system can be applied to most unconsolidated materials, and is represented by a two-letter symbol. Each letter is described below (with the exception of Pt):
Use of the {} template within a chart that uses this template produces a font size 75% of the page default, well below the 85% minimum specified in the linked guidelines. Per Wikipedia:Village pump (technical)/Archive 159#Infobox font size, common text within an infobox is 88% of page default. Therefore use of this template in an infobox yields ...
Lloyd’s Register (“LR”) load line mark and lines and timber load line mark and lines for power-driven merchant vessels Lloyd’s Register (“LR”) load line mark and lines for commercial sailing vessels. The original "Plimsoll mark" was a circle with a horizontal line through it to show the maximum draft of a ship.
Use a vertical pressure vessel with a length–diameter ratio of about 3 to 4, and size the vessel to provide about 5 minutes of liquid inventory between the normal liquid level and the bottom of the vessel (with the normal liquid level being somewhat below the feed inlet).
Topsoil is composed of mineral particles and organic matter and usually extends to a depth of 5-10 inches (13–25 cm). Together these make a substrate capable of holding water and air which encourages biological activity.
Container size – A 20 feet container can not be loaded up on a 40 feet container, but the reverse is possible if the vessel structure allows it. Planners can also load a 40 feet container on top of two units of 20 feet container, this known as a "Russian stowage" or "mixed stowage".
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Water retention curve is the relationship between the water content, θ, and the soil water potential, ψ. The soil moisture curve is characteristic for different types of soil, and is also called the soil moisture characteristic. It is used to predict the soil water storage, water supply to the plants (field capacity) and soil aggregate stability.