Horology. Functional and non-functional jewels Ingestion-build-61878 these can also be managed

these can also be managed by an SMS according to BS EN 15399

generic objects and product objects in data-driven library and design processes

and the Calculation method for steel valves

BS EN 16485 specifies EPD to know the environmental performance of the products that you are purchasing

plus increase the value of an asset

Horology. Functional and non-functional jewels Ingestion-build-61878 these can also be managed1 Scope This International Standard specifies the technical definitions of functional and non functional horological movement jewels. It describes the different types of jewels used, and how this is to be marked on a timekeeping instrument or used in advertising.