bottom 66 of the lower enclosure 40 is provided with sloping walls 68 leading downwardly to a drain opening 70 a fine mesh screen covers this opening to trap loose fibres lint undesirables and particles a drain 72 extends from this opening 70 to the roof 94 of the reservoir 36 a vortex generator 76 is located in this drain to generate a vortex to ensure removal of vapourized excess tint from the chamber extending perpendicularly from the drain 72 into the reservoir is flexible liquid tubing 78 attached to the roof 94 of the reservoir by clamps 80 details of the interior or the upper and lower enclosures can be seen in fig4 baffles 82 are mounted on the inner side walls 84 of the upper enclosure 38 above each of the openings 52 to deflect spray from the nozzles 46 away from the openings 52 similarly baffles 86 are mounted on the inner side walls 88 of the lower enclosure 40 below each of the openings 52 to deflect spray away from the openings and towards the drain opening 70 referring back to fig2 and 3 it can be seen that the lower enclosure 40 is supported by four legs 90 one at each corner thereof these legs 90 are welded in place and are welded at their bases 92 to the roof 94 of.