Changes to DST start/end dates: Modify an existing time zone by changing the DST rule or adding and removing DST to a time zone.-or-Modifying the time bias to an existing time zone. Microsoft will publish a Windows Update that incorporates these DST changes to existing Windows time zones.
Hazardous Materials. HAZMAT Definition (USDOT) âAny substance which may pose an. unreasonable risk to health and safety of. operating or emergency personnel, the. public, and/or the environment if not. properly controlled during handling, storage, manufacture, processing, packaging, use, disposal, or.
RE: Weld Heat Affected Zone definition. weldtek (Materials) 16 Aug 05 13:34. Per the ASM dictionary, HAZ is ' the portion of the base metal that was not melted during.. welding, but whose microstructure and mechanical properties were altered by the heat'.