If someone keeps a vigil or keeps vigil somewhere, they remain there quietly for a period of time, especially at night, for example because they are praying or are making a political protest. â¦ keep vigil phrase V inflects, usu PHR prep/adv.
SEBS stands for Styrene Ethylbutylene Styrene (elastomeric material) Suggest new definition. This definition appears very rarely and is found in the following Acronym Finder categories: Science, medicine, engineering, etc.
A printed circuit board (PCB) mechanically supports and electrically connects electronic components using conductive tracks, pads and other features etched from copper sheets laminated onto a non-conductive substrate. Components (e.g. capacitors, resistors or active devices) are generally soldered on the PCB.