If the pressure drops, the soil pressure increases and this leads to subsidence at the ground level. Since exploitation of the Slochteren (Netherlands) gas field started in the late 1960s the ground level over a 250 kmÂ² area has dropped by a current maximum of 30 cm.
Confidence votes 18.5K. There are quite a few tools that the Astronauts use, though for construction and maintenance in space, the Pistol Grip Tool (PGT) is the primary tool of choice. Its predecessor was the Power Ratchet Tool (PRT), originally developed and created for servicing the Hubble Space Telescope.
The Pro Tools | Quartet is the first fully-integrated PC solution that combines Apogee hardware with the production power of Pro Tools DAW software. And the Pro Tools | Quartet interface isn't just for Pro Tools production - you can use it with virtually any media production software you like, from video editing to composition and arranging. And with six analog outputs available, Pro Tools | Quartet is ready for surround sound in video editors that support 5.1 mixing.