Abstract: Disclosed herein are articles of manufacture, methods of manufacturing articles, and methods of using articles of manufacture, having an open-cell foam material and a mesh component present on at least parts of an external surface of the article. The open-cell foam material and the mesh component can cooperate to effectively reduce soil accumulation on the external surface of the article when the external surface of the article comes into direct contact with wet soil.

Abstract: A resin according to the present invention is prepared by reacting a reaction product, which is obtained by Michael addition reaction between the following component (A) and the following component (B) and a subsequent amide group formation reaction, with the following component (C): (A) an aliphatic diamine having 2 to 8 carbon atoms or a diamine having a C6-8 aromatic ring; (B) an unsaturated carboxylic acid represented by formula (2) and/or a derivative thereof, provided that the following component (C) is excluded: [in formula (2), R1 and R2 independently represent a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, an aralkyl group having 1 to 8 carbon atoms or an aryl group]; and (C) a (meth)acrylic acid-type compound having at least one glycidyl or isocyanate group.