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Decorative door in Florence, Italy Manual door closer. Design of door furniture is an issue to disabled persons who might have difficulty opening or using some kinds of door, and to specialists in interior design as well as those usability professionals which often take their didactic examples from door furniture design and use. [1]
Dorma headquarters in Ennepetal, Germany. Dorma was a German company that produced door technology systems and allied products. It merged with Kaba Holding in September 2015 and became part of Dormakaba Group. [1]
A geared continuous hinge is a type of continuous hinge used mostly on doors in high-traffic entrances and features gear teeth that mesh together under a cap that runs the length of the hinge. The hinges use a number of fasteners to attach the door to the frame from top to bottom to distribute a door’s weight more evenly along the frame to ...
An ornate brass door hinge A barrel hinge. A hinge is a mechanical bearing that connects two solid objects, typically allowing only a limited angle of rotation between them. Two objects connected by an ideal hinge rotate relative to each other about a fixed axis of rotation, with all other translations or rotations prevented; thus a hinge has one degree of freedom.
Diagram of a structure featuring plastic hinges. In the structural engineering beam theory, plastic hinge is the deformation of a section of a beam where plastic bending occurs. [1] In earthquake engineering plastic hinge is also a type of energy damping device allowing plastic rotation [deformation] of an otherwise rigid column connection. [2]
There are numerous mentions of domra in historic documents of this period. [3] In addition, medieval Russian illuminated manuscripts of the Psalter contain images of musicians with necked plucked-string instruments, and some of those miniatures are clearly captioned «depiction of domras». Judging by those images, late medieval Russian domras ...
The higher voltage drops back to 3.5 V soon as the bromine chloride gets consumed during the first 10–20% of the discharge. The cells with added bromine chloride are thought to be safer when abused. Li–SO 2 Cl 2 (IEC code: Y) Sulfuryl chloride: Lithium tetrachloroaluminate in sulfuryl chloride 3.7 V 3.95 V 330 720 Liquid cathode.