1. Vacuum unit for the direct production of metals

   Protecting the Environment Pages: 97 - 97

2. Scrubber with turbulent-contact action

   • F. Germoni

   Protecting the Environment Pages: 98 - 99

3. Variations on the theme of inefficiency

   • S. Sokol'skaya

   Protecting the Environment Pages: 100 - 100

4. Survey of new technology now on the job

   Protecting the Environment Pages: 101 - 106

5. Of interest to the specialist — Innovations

   • V. Kitaiskii

   Protecting the Environment Pages: 107 - 112