Resins from conifer wood are used to produce turpentine and rosin. Terpenes are the major components of rosin and of turpentine produced from resin. The pine has also been used as a source of rosin and turpentine. It is made by infusing cotton with food-grade beeswax, rosin, coconut oil and jojoba oil. Abietic acid is extracted from tree rosin. These were flatboats loaded with flammable materials such as pine knots and rosin. He advised skiers to use pine tar pitch and rosin. The nonvolatitle residue from the extract is wood rosin of rather dark color. The ground can also be applied in a fine mist, using powdered rosin or spraypaint. Pitchers may also keep with them at the mound a bag of powdered rosin. Rosin derivatives show excellent film forming and coating properties. One of the early fluxes was a mixture of equal amounts of rosin and vaseline. This type of rosin is typically called wood rosin. String players may apply rosin or wipe sweat off their hands with a handkerchief. A trivial case is tree rosin, which is a natural insecticide.