Скачать или смотреть Cracks in Wall part 2

Okay, so this is the second part., I thought I would explain to you what a tell-tale is before showing you how they are installed. A lot of people have not seen them before or would not quite understand their use or the Knowledge that is required to use them to interpret the results if any.

The manufacturer also recommends that they should be glued and placed and secured with screws. And so, these are only going to be used once.

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