The international pictogram for flammable chemicals. Flammability is the ability of a substance to burn or ignite, causing fire or combustion. The degree of difficulty required to cause the combustion of a substance is quantified through fire testing.Internationally, a variety of test protocols exist to quantify flammability.he international pictogram for flammable chemicals. Flammability is the ability of a substance to burn or ignite, causing fire or combustion. The degree of difficulty required to cause the combustion of a substance is quantified through fire testing.
EMI, or Electro-Magnetic Interference, is defined as unwanted electrical signals and can be in the form of conducted or radiated emissions. Conducted EMI is where the noise travels along the electrical conductors and radiated EMI is where the noise travels through the air as magnetic fields or radio waves.
Eminence Front  is a song written and sung by Pete Townshend of The Who. It appears as the sixth track on the group's 1982 studio album, It's Hard. The single reached number 68 on the Billboard Hot 100. It is the only song from the album that the band has opted to play live after the initial post-release tours. Lead singer Roger Daltrey, vocally critical of the album, described Eminence Front as the only song on it that he felt was worthy of being released.