A metal half wall is provided, with the wall including a lower track, an upper track and a series of spaced apart studs extending between the two tracks. A connector is disposed adjacent each stud for connecting the stud to the lower track and to a support structure lying underneath the lower track. Each connector includes an elongated member having opposite end portions. One end portion includes a turned end plate that extends generally perpendicular with respect to the elongated member. In the half wall, a connector is disposed directly adjacent a respective stud. So disposed, the elongated member extends upwardly next to an adjacent stud and the end plate extends over the lower track. A series of fasteners are connected between the elongated member and the adjacent stud, and between the end plate and the underlying lower track and support structure.

 
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> Photocatalytic granular mixture for mortar and concrete and its use

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