engraved metal plates, silkscreen, magnets, spoon, rubber cushions or anti-vibration table
'Gravity as universal gravitation is coming from a natural phenomenon by which all physical bodies attract each other. Gravity gives weight to physical objects and causes them to get an energy as acceleration toward the ground when dropped. the Earth's standard acceleration due to gravity is: g = 9.80665 m/s2. It bore the general concepts concerning UP / Down or High / Low or Top / Bottom. UPHEADER appears on a modest force against gravity.