electronic vacuum gauge
A drum
An Aboriginal Australian instrument, Shaped like a tube and played by blowing. It produces a deep sound.
An instrument that is a precursor to the modern guitar is called a kithara.
The tuba is a bass instrument. The trombone is a tenor instrument.
A Lutea lute can refer generally to any plucked string instrument with a neck (either fretted or unfretted) and a deep round back, or more specifically to an instrument from the family of European lutes.
digital micron gauge
With a vacuum.
In a Vacuum or in deep space.
bassoon
The end of the vacuum is so deep, it cannot be seen with the human eye.
Sterilant
Deep space, or any "space", has no color...it is a vacuum, devoid of any light.
By checking how deep the rope is in the water.
The simplest and older - shot-line. For faster and more accurate work, especially in deep water, sonar is used now; its simplest form being the echo-sounder.
Features of the Hoover Windtunnel vacuum include a removable vacuum bag, a pet hair attachment, and several other attachments to get deep down cleaning.
One instrument that used to detect Tsunami is a deep ocean tsunami detection buoys.
No accurate estimate is possible.