Mechanical pencil applied at an angle. When excess vertical pressure is applied on the lead, the lead is automatically retracted inwards. Higher-end mechanical pencils often feature a lead hardness grade indicator and sometimes feature a retractable lead guide pipe. This allows the lead guide pipe to retract back into the pencil body, which will keep it protected in storage and during transit and makes it 'pocket-safe'. In spite of the name, pencil leads do not contain the toxic chemical element lead, but are typically made with graphite and clay, or plastic polymers. Compared to standard pencils, mechanical pencils have a smaller range
2–0 lead is the worst lead fact the worst possible lead. The cliché was popularized by Czech football coach and television commentator Josef Csaplár in the Czech football community. His use of the term suggested that a 2–0 half-time lead could only end in a defeat and the cliché is known in the Czech Republic as "Csaplár's trap" (Czech: "Csaplárova past"). In Serbia, the cliché is known for being used by manager and former player Milan Živadinović. The cliché was also used by Australian former player and TV broadcaster Johnny Warren. Television pundit and former English footballer Gary Lineker raised the cliché when commenting on a