EXPERT ENVIRONMENTS

Portable buildings made primarily of metal

Laminar flow cabinets for laboratory use; biological safety cabinets, namely class III gloveboxes and compounding aseptic Isolators

Cleanrooms, laboratories in the nature of clean rooms, laboratory ventilation hoods, and powder weigh fume hoods; clean room installations, namely, clean room pass-through boxes; restricted access barrier systems and isolators being structural parts of clean rooms