Dentistry. Powered polymerization activators1 Scope This document specifies requirements and test methods for powered polymerization activators in the 380 nm to 515 nm wavelength region intended for chairside use in polymerization of dental polymer based materials. This document applies to quartz tungsten halogen lamps and light emitting diode (LED) lamps. Powered polymerization activators could have internal power supply (rechargeable battery powered) or be connected to external (mains) power

– only the case of products selected

enables users to establish a low-cost bi-directional optical communication system

below 15 % and above 75 %

Anchors and fasteners other than as part of an ancillary component

performance requirements and test methods for portable fire extinguishers

which contains higher quantities

The object of PD IEC/TR 62349 is to define test procedures to be used in establishing uniform requirements for the geometrical and transmission properties of PM fibres

The Building Industry’s Co-ordinating Committee for project information (CCPI) has produced a Common Arrangement of Work Sections (CAWS) for building work

These groups are as follows

Measurement of creepage distances and clearances

anchor nuts

BS EN 196-3 is the third part of the series of documents that specifies the methods for determining standard consistence