the metal strip or anything for that matter that goes at the bottom of doorways is called a threshold.
Doorway thresholds can be built from materials such as wood, stone and metal. You can get more information about doorway thresholds at the Wikipedia website.
That can be the carpet edging strip, the fastening strip, carpet plating strip for a few names.
The simple term for it is Schleutter strip. There are several variations, but genericaly that is what its called.
Ropes & Stanchions
There are metal covers for cell phones, patios, and carports. A metal cover for a cell phone can be purchased from eBay or a cell phone retailer. There are patio stores that offer metal cover awnings and there are even metal covers available for use as carports or recreational vehicle covers.
The different types of metal electrical box covers available for installation include flat covers, raised covers, weatherproof covers, and covers with openings for outlets or switches.
Stanchions
When walking on a new carpet, electrons from the carpet may transfer to your body, making you negatively charged. When you touch a metal object, the excess electrons will move to the metal to equalize the charge, resulting in a static discharge.
Metal can conduct heat away from your body (hands) faster than carpet.
This is called J Trim and you can purchase this from most building supply stores.
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