Petroleum jelly plastics and minimize ventilation issues, isopropyl (rubbing) alcohol can be used to remove petroleum jelly from most surfaces. Isopropyl alcohol is inert to most household surfaces, including almost every plastic, and removes petroleum jelly efficiently. While alcohol causes fewer ventilation problems than petroleum solvents, ventilation is still recommended, especially if large surface areas are involved. Petroleum jelly is also soluble in lower-molecular-weight oils. Using an oil to dissolve the petroleum jelly first can render it more soluble to solvents and soaps that would not dissolve pure petroleum jelly. Vegetable oils such as canola and olive oil are commonly used to
Vaseline incident Vaseline incident The vaseline incident was one of the first publicised 'doctoring' (using unfair means to enhance the swing or seam abilities) of the cricket ball by a bowler, when it was alleged John Lever rubbed Vaseline onto one side of the ball so it would swing better. The incident occurred in the third test in Chennai (on 14-19 January 1977), with India 2-0 down in the series after heavy defeats in Delhi and Kolkata. Ball tampering regulations allow the application of sweat and saliva (naturally produced substances) to the cricket ball in an attempt to shine one side. Other