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Anonymous users2024-01-24Refill fireproof cotton or other fireproof materials, and then seal the outside with fireproof glue, apply suitable paint, and brush them together, so that it will not look visible.
Is it lead powder, or small particles sharpened by a pencil, graphite is a common lubricant for lubricating precision machinery, it stands to reason that this will not happen, if the outside does not appear to be stuck, but the inside appears, then do you often use the inner keyhole? Or is this just the case? >>>More
You don't understand this concept, where is it called a fireproof door? If you want a fire door, you can't have a heaven and earth lock, a side lock, and if the anti-theft door must have a heaven and earth lock and a side lock. The market mixes the fire and anti-theft door means that the fire door is a class A fire door, the lock point is on the lock body, and the thickness of the door plate steel plate meets the requirements of the D class anti-theft door panel, plus the lock body lock point is more than one point, it is called a fire and anti-theft door, it is as simple as that.
Fire door: generally refers to the middle of the entrance door is filled with fireproof appliances, fire performance is better, anti-theft door: refers to the anti-theft performance is better, fire and anti-theft is the above two. >>>More
Because the walls are damp, they will fall whitewash, or when the walls are painted, the quality is not up to par.
1. You need to find paint of the same color, you can try it with metallic paint, polish the place that needs to be sprayed with an abrasive cloth, and spray the paint on it. >>>More