| 摘要 |
A toxic work enclosure (1) with a port (14) and a vent (18) that when installed within a fume cupboard (64) with both the port (14) and the vent (18) open, provides safe access to toxic materials, if present, in the toxic work enclosure (1); but with both the port (14) and the vent (18) closed, closed position isolates the toxic work enclosure (1) allowing environmental control of the air (104, 105) within the toxic work enclosure (1), or safe removal of the toxic work enclosure (1) from the fume cupboard (64) by containment of toxic materials, if present, in the toxic work enclosure (1). |
