Abstract: A fluid (e.g. liquid) treatment cartridge assembly for holding solid (particulate) matter therein for contact with a fluid (e.g. a liquid medium). The cartridge comprises an outer cylindrical housing component, having a first cylindrical axis, and an inner tubular component disposed within the cylindrical housing component. The outer cylindrical housing component includes a plurality of wall panels which are interconnected by slider interlock means disposed and configured such that adjacent wall panels are slide interlocked thereby.

Abstract: Disclosed herein is a unique adjustable spice/pepper-mill. The spice/pepper-mill is equipped with a shifter mechanism which can be placed in three different positions. The shifter is located at the bottom of the spice/pepper-mill. The three positions of the shifter translate into the production of fine, medium and coarse ground spices/pepper. The different settings for grind size are found by rotating a tapered step ring which applies upward pressure on a male grinding mill forcing it upwardly into a female grinding mill. The higher the male grinding mill is located, the smaller the ground spice/pepper size produced.

Abstract: A protected electric switching apparatus is provided and its fixing device, comprising a contactor with a latch for engaging a profiled rail and with which a removable thermal relay is associated by means of conducting pins. A channel is formed between two opposite walls so as to allow a screwdriver to have access to an eye of this latch.