Mining Weekly: The advantages of Vacuum Impregnation in electrical rotating machine repairs at Delba Electrical
The advantages of Vacuum Impregnation in electrical rotating machine repairs at Delba Electrical
Business Wire: Henkel’s Micropore Impregnation Technology Helps Improve Performance of Casting Parts
SHANGHAI--(BUSINESS WIRE)--Henkel is offering a unique, fully automatic impregnation solution to repair casting parts with various porous defects such as air holes, needle holes and shrinkages, so as ...
I noticed Robin Michael, who is on this site, stated she learned to spell the word 'vacuum' as "vacumn". I was also taught the same thing in school around 40 years ago; I always scored the
+1 It seems that vacuum is the odd word out when placed in a lineup with (for example) continuum, individuum, menstruum, and residuum. I don't know why the -uum in vacuum came to be pronounced differently from the -uum in the others, but to judge from the pronunciation offered in John Walker's A Critical Pronouncing Dictionary, and Expositor of the English Language (1807), 'twas not always thus.
(In a vacuum, “Am I not?” could only be construed as some sort of philosophical counter-Descartian pondering.) In light of this dependence, the comma is more apt then the semicolon.
If a 'vacuum cleaner cleaner' is a machine for cleaning vacuum cleaners, then the person who cleans the vacuum cleaner cleaner would be a 'vacuum cleaner cleaner cleaner'.
Considering their primary meanings, vacuum is used more often in a scientific context, in which case it means space completely or partially absent of any matter/air. It is a scientific term, while void can be used non-technically in a more abstract sense, but it can also be used when talking about empty space in a non-scientific way.