Hydrated lime, also known as calcium hydroxide lime (Ca(OH)Â², is available in white powder form and can be mixed directly in solution tanks and employed in dry form. Hydrated lime is commonly used as a primary coagulant for the treatment of industrial waste streams and contributes to the clarification of water.
In computing, Extensible Markup Language (XML) is a markup language that defines a set of rules for encoding documents in a format that is both human-readable and machine-readable. The W3C's XML 1.0 Specification and several other related specificationsâall of them free open standardsâdefine XML.
The purpose of an XML Schema is to define the legal building blocks of an XML document: 1  the elements and attributes that can appear in a document. 2  the number of (and order of) child elements. 3  data types for elements and attributes.  default and fixed values for elements and attributes.