1 the fine, soft, shiny fiber produced by silkworms to form their cocoons. 2  thread or fabric made from this fiber. 3  a garment or other article made of this fabric. 4  a distinctive silk uniform, as of a jockey.  the silk gown worn by a King's (or Queen's) Counsel in British law courts.
A prescriptive specification is one that includes clauses for means and methods of construction and composition of the concrete mix rather than defining performance requirements.he general concept of how a performance-based specification for concrete would work is as follows: There would be a qualification/certification system that establishes the requirements for a quality control management system, qualification of personnel and requirements for concrete production facilities.
A technical specification is a document that defines a set of requirements that a product or assembly must meet or exceed. A product or assembly that does not meet all of the specifically expressed requirements does not meet the specification, and often is referred to as being out of specification or out of spec..