1 powerboats 26 feet long but less than 40 feet long must carry at least two B-1 fire extinguishers or the equivalent, such as a B-2 fire extinguisher; 2  powerboats 40 feet long but less than 65 feet long must carry at least three B-1 fire extinguishers or the equivalent, such as one B-1 and one B-2 fire extinguisher.
Rather, the core is made up of a non-toxic mineral called graphite. The common name âpencil leadâ is due to an historic association with the stylus made of lead in ancient Roman times. If youâre looking for information on potential lead exposure risks in pencils, Click here.
â¢ Charcoal pencils, used primarily by artists, are another popular form of black lead pencil, made from a different form of carbon than graphite that is more like coal. These make a very dark black mark on the paper compared to even very soft graphite pencils, such as 8B.ereâs a myth buster: There is no lead in pencils. Rather, the core is made up of a non-toxic mineral called graphite. The common name âpencil leadâ is due to an historic association with the stylus made of lead in ancient Roman times.