A device for making tea, which device comprises a brewing chamber for enclosing a tea-pad, means for supplying heated water through one or more openings in the upper wall of the brewing chamber, and a restricted opening in the lower wall of the brewing chamber, so that tea is squirted into a liquid collection chamber underneath the brewing chamber. The filter and filter media allow for filtering of liquid fuels, such as diesel fuel. The circumferential member may include a plurality of bending regions which enhance the ability of the circumferential member to move between the unexpanded and expanded positions. A blocking plug is provided for attachment to the handle which operates to block the movement of the valve stem during pressure testing of the fire suppression system. The slider is supported by the two-dimensional actuator via a support having a predetermined spring constant in the focus directions while also having freedom to follow tilting of the optical disc.