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.
NASA astronauts tested how fast humans can run on the moon. They ran on a treadmill in lunar gravity. In terms of design, Neil Armstrongâs iconic 1969 space suit wasnât exactly optimal. Bulky and stiff, the suit made it pretty hard for the astronauts aboard Apollo 11 to walk around.