"We use glass as vacuum systems and vacuum vessels".
Locals referred to these visitors sardonically as "vacuum cleaners" and pitied their frantic scrambling.
And those last arrangements are referred to, in the jargon of quantum field theories, for obvious reasons, as "vacuum" states.
But often real danger lurks closer to home, with objects falling from shelves and sometimes dubious encounters with household objects such as vacuum cleaners all too common.
The system has produced individuals as diverse as vacuum cleaner king James Dyson and the maker of this year's Amy Whitehouse documentary, Asif Kapadia.
In particular, it eliminated any impurities through a process known as vacuum distillation, giving customers the confidence they need to make the switch from standard diesel fuel.
His songs are crazy contraptions with sweet souls, almost postgraduate-level games of words and music, with expected Brazilian sounds — cavaquinhos, tamborims, cuicas — as well as vacuum cleaners, metal buffers and gargling.
Other parts are set as vacuum.
It is clear that as vacuum gap increases, the β value increases.
Using an alternative flushing way rather than using water such as vacuum.
Supercritical fluid extraction (SFE) offers several advantages over conventional techniques such as vacuum distillation.
