Abstract: A protective cover for a wheel fastening member, said protective cover comprising a body having a top and a bottom, an internal hollow extending from top to bottom and surrounded by an adjacent internal surface and an external surface: the internal surface of the protective cover snugly fitting over the fastening member in use and the external surface comprising flanges to receive a visual aid for indicating the security status of the fastening member, said flanges including a gripping collar and a top collar having a plurality of vertical ribs extending therebetween to restrict the movement of the visual aid, wherein the protective cover protects the fastening member from corrosion and secures the visual aid therewith.

Abstract: The invention provides a container (1) comprising an outer receptacle (2) and, disposed therein, an inner receptacle (6) in the form of a bag; the bag being permeable to gases; the outer receptacle having a plurality of spacers (8) extending inwardly from an inner surface (9) thereof, and a plurality of vents (10) in the walls (9) of the outer receptacle (2); the spacers (8) serving to support the inner bag (6) such that it is spaced apart from the inner surface (9) of the outer receptacle (2); and the vents (10) serving to allow air to circulate between the bag (6) and the outer receptacle (2).

Abstract: Carbonamides are prepared from carboxylic acids and ammonia in the presence of a catalytic amount of a hydrated oxide.Preferably a hydrated titanium-, zirconium- or tin oxide in an amount between 0.05 to 10% by weight is used. The hydrated oxide contains at least 4% of water.

Abstract: A process for de-waxing oil comprises dissolving a polymerized polyol ester blend in a waxy oil, optionally with a solvent or diluent and cooling to crystallize out the wax using acids in the C.sub.8 to C.sub.24 range to form the esters.