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.
Building the Future of Human Spaceflight Beyond Earth. NASA's Space Launch System (SLS) provides a critical heavy-lift capability, powering people and cargo beyond our moon and into deep space. SLS launches larger payloads farther in our solar system, faster than ever before possible. It will be the most powerful rocket ever built, enabling diverse exploration, science and security missions.