Abstract: An electrical conductor array particularly for use in a pressure pad is described. The pressure pad comprises two electrical conductors arrays (3,5) of substantially parallel electrical conductors which are superposed and biased towards a spaced apart position with the conductors of one array transverse to the conductors of the other. One of the arrays (5) is responsive to applied pressure on the array to deflect against the bias towards the other array (3). At least one of the arrays (3,5) comprises a number of blocks of substantially parallel first conductors (12), the first conductors of each block being electrically connected to respective first common conductors (13); and, between pairs of first conductors (12) of each block, a respective second conductor (14), corresponding second conductors (14) from each block being electrically connected to a respective second common conductor (15).

Abstract: A scrubber assembly including a housing having first and second remote sides is provided and the housing includes rotary scrubber structure journalled therefrom facing and disposed outwardly of the first side of the housing. The second side of the housing includes liquid inlet structure and the housing contains a liquid driven motor including a rotary output shaft upon which the scrubber structure is mounted. The housing includes a liquid outlet structure and the motor is operative to receive liquid under pressure from the inlet structure, to discharge liquid from the liquid outlet structure and to develop rotary torque input to the shaft as a result of liquid flow therethrough from the inlet structure to the outlet structure.