English Petroleum jelly Cited by user Lithopsian on 03 Feb 2019 Petroleum jelly, petrolatum, white petrolatum, soft paraffin, or multi-hydrocarbon, CAS number 8009-03-8, is a semi-solid mixture of hydrocarbons (with carbon numbers…
English Offset ink Cited by user David Condrey on 11 Oct 2015 Offset ink is a specific type of ink used in conjunction with offset printing presses such as those used to produce letterpress or lithography prints.