* Manufacturing principles to be appropriate
* Measurement basis to be appropriate
* Mounting brackets blind in the prior casing wall dressed, he must be welded onto a single piece casing.
* Steel Door Steel Armor should be applied: 7 this support system consisting of separate parts; to reinforce the region will intervene the thief's door in order to have thicknesses ranging from blades made from 7 to 10 mm and consists of a hook.
