SCATTO KEY
A key contained in a plastic support of equal size (in various colours). By setting off the sprung mechanism, the key flicks out of the support ready for use. This is standard with all double bit locks.
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SEAM WELDING
Submerged arc welding with gaseous atmosphere weld pool protection.
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SECONDARY KEY
Key that operates the secondary lock on doors with a dual lock (security lock - secondary lock).
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SECONDARY LOCK
In the case of a dual lock, this is the secondary lock.
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SELF-BLOCKING VICE DEVICE
Special structure that fixes the frame to the sub-frame which together grip the wall.
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SIDE LIGHT
Glazed or blank structure positioned on one or both sides of the door for its entire height. It is used either as decoration or to allow more light to enter.
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SOLID WOOD
Wood made from parts of the same wood type.
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STEEL RIBBING
Sectional pieces that are vertically welded to the leaf to create a single solid structure.
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SUB-FRAME
The steel external section of the anchorage structure that is fixed to the wall with robust steel ties.
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