Petroleum jelly ointment on his injuries and showing his past injuries healed, he claimed, by his miracle product. He opened his first factory in 1870 in Brooklyn using the name Vaseline. Petroleum jelly is a mixture of hydrocarbons, having a melting point usually close to human body temperature, approximately . It is flammable only when heated to liquid; then the fumes will light, not the liquid itself, so a wick material like leaves, bark, or small twigs is needed to ignite petroleum jelly. It is colorless or has a pale yellow color (when not highly distilled), translucent, and devoid of taste and
A Sort of Homecoming (song) contrasts with U2 members' previous religious certainties. The song's line "on borderlands we run...and don't look back" suggests the band had become more comfortable with the contradictions between rock and religious beliefs in comparison to during the "October"-"War" period. The phrase, "poetry is a sort of homecoming" had additional significance for Bono as a singer who was constantly away from home and travelling. A Sort of Homecoming is in the key of D. The song has a tempo of 118 BPM A film of U2 on tour in Northern Europe in October-November 1984 was made to accompany a live version