Pencil thereby pushing a new tip to the top. Invented by Harold Grossman for Empire Pencil Company in 1967 and subsequently improved upon by Arthur D. Little for Empire from 1969 through the early 1970s; the plastic pencil was commercialised by Empire as the "EPCON" Pencil. These pencils were co-extruded, extruding a plasticised graphite mix within a wood-composite core. Residual graphite from a pencil stick is not poisonous, and graphite is harmless if consumed. Although lead has not been used for writing since antiquity, lead poisoning from pencils was not uncommon. Until the middle of the 20th century the paint used
2–0 lead is the worst lead 2–0 lead is the worst lead "2–0 lead is the worst lead" is a cliché used in sporting contests, to describe the situation in which one team is leading by a score of 2–0. The phrase is most common in association football, where it is sometimes applied only to the scoreline at half-time. It is sometimes also encountered in other sports where 2-0 is a moderately large lead, such as ice hockey. The underlying concept is that, a team which is leading 2-0 will be complacent and have a 'false sense of security' in their lead. If the trailing team