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 design specification is a detailed document providing information about a designed product or process. For example, the design specification must include all necessary drawings, dimensions, environmental factors, ergonomic factors, aesthetic factors, maintenance that will be needed, etc. It may also give specific examples of how the design should be executed, helping others work properly (a guideline for what the person should do). See also