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| English | Russian |
| penetration in fire separations | место прохождения через пожарные преграды (Fewer hits. Ideal for use where building codes require both a fire damper to protect ductwork penetrations in fire separations and a leakage rated damper for use in smoke ... ... one compound elastomeric product for sealing joints and service penetrations in fire separations and firewalls. It is designed to prevent the passage of flames, ... Alexander Demidov) |
| separation of propionic and acetic acid by pertraction in a multimembrane hybrid system | разделение пропионовой и уксусной кислот пертракцией через многомембранную гибридную систему |