Abstract: This invention relates to shuttering or sheathing elements of hard expanded plastics material for construction of buildings by the concrete casing method, of the kind comprising two mutually parallel panels or slabs having a tongued and grooved form at their edges and webs interconnecting the panels. According to the invention the panel forming the outer casing is considerably thicker than the panel of the element forming the inner casing.

Abstract: An actuator for use with vehicle door locks or the like includes a housing and an electric motor positioned in the housing. A shaft is journaled in the housing and extends outwardly therefrom with an actuator member being attached to the shaft outside of the housing. A drive connection between the motor and the shaft includes a second shaft journaled in the housing and a dual gear rotatable with the second shaft. The dual gear is in driving relationship with the first shaft and with the electric motor through a bevel gear freely mounted on the first shaft.