Abstract: A screwboss including a base, a main body, an opening into an end of the main body, distal from the base for fixing a threaded fastener thereinto. The screwboss further includes at least one rib adjoining the base and the main body to support the main body in an upstanding position. At least one rib extends from the main body at a position offset from a radial line from a center axis of the opening and toward a tangent from the opening.

Abstract: A compound of Formula I and formulations including such a compound may be used for the reduction of infestation with ectoparasites, in particular ectoparasites of the insect class, including fleas and mosquitoes, and/or ectoparasites of the arachnid class, including ticks and mites, etc. Methods for controlling ectoparasites and/or formulations including such compounds may include use as a repellent, and/or application to a mammal, e.g., a human, dog, cat, cattle, horse, or sheep, or to an object or a fabric. The form may be a topical formulation, a shampoo composition, a cleansing composition, or a treatment composition, preferably a lotion, cream, ointment, gel, foam, patch, powder, solid, sponge, tape, vapor, paste, tincture, or spray.

Abstract: A formulation containing an extract of a tobacco plant enriched for a compound of formula (I), or a salt or crystal thereof, where the formulation is used for reducing the infestation of ectoparasites: where R represents hydrogen or C1-C5 alkyl, and represents a double bond.