Abstract: A breakable shooting target formed from a composition comprising: a binder component, a binder modifier, a viscosity modifier, and a filler. Carbon black or other pigments can be added for color. The binder can be selected from one or more natural fatty acids. The binder modifier can be selected from one or more metal oxides. The viscosity modifier can be selected from one or more plant based or other natural resins. The filler component can be selected from various powders, such as powdered limestone, other sources of calcium carbonate, talc and so forth.

Abstract: An anti-polish ring for an internal combustion engine is provided. The anti-polish ring includes an axially extending ring portion that is configured to scrape a top portion of a piston in a cylinder liner. The anti-polish ring is configured to accommodate passage of an intake or exhaust valve thereby. The anti-polish ring may include an alignment feature so that the anti-polish ring is inserted in a predetermined orientation in the cylinder. The anti-polish ring may include a heat shield and/or a seating member.

Abstract: The present application discloses various cementitious compositions that incorporate waste materials therein. In some embodiments, the waste materials incorporated in the compositions are mixed construction and demolition fines, including but not limited to small pieces of glass, wood, metal, drywall, cardboard, masonry, and other architectural material and waste materials. Various methods for using said compositions are also disclosed.

Abstract: The present application discloses various cementitious compositions that incorporate waste materials therein. In some embodiments, the waste materials incorporated in the compositions are mixed construction and demolition fines, including but not limited to small pieces of glass, wood, metal, drywall, cardboard, masonry, and other architectural material and waste materials. Various methods for using said compositions are also disclosed.