Glossary

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

O

Operating resistance: The force needed to overcome the resistance to opening and closing of a door assembly, caused by the combined presence of seals and essential ironmongery.
Opening and closing forces: The force needed to overcome the resistance to opening and closing of a door assembly, caused by the combined presence of seals and essential ironmongery.

glossary