Blog About: Cupric Chloride as a PCB etchant

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It has been many years since we made an article on our Photo Etch Circuit Board Process. Next time I make some boards I will definitely use hydrogen peroxide and muriatic acid as by copper etchant. I have been using ferric chloride for many years but it is very messy and is quite expensive. In [...]

Concrete floor moisture testing is a big deal.  Flooring installations can be made or broken depending on whether the concrete slab is moisture-ready.

Even if you're not contemplating doing anything with your concrete slab (usually basement slabs) right now, it may be instructive to test for moisture.

You have two types of moisture:  a.)  the moisture lingering from the concrete pour; b.)  if this is an old slab, potential moisture coming up from below.

The plumbing pipes are broadly divided into metal and non-metal and the materials that are most commonly used for piping are steel, copper, PVC, CPVC and PEX. The polyvinyl chloride (PVC) pipes are used for cold water only (since hot water will warp them) and are used typically for drains; the PVC pipes are normally white or gray and are less expensive than the metal pipes.

PVC French doors can add a touch of elegance to your home! Naturally you know what french doors are but what is PVC? PVC stands for polyvinyl chloride (a plastic material), which has been used in the construction field for quite a while now. This material is mainly used in the making [...] Related posts:

1. Exterior French Doors are a Real Asset
2. Types of Bedding Materials
3. Read more
   iPhone-Inspired Kitchen Computer
   Ryan from New-Zealand send us a nice writeup about his custom-made kitchen computer that apparently made his wife real happy. Check it out. Usual disclaimer: Please remember that as with any project involving mains power, make sure you know what you’re doing and  do it safely, or don’t. Also respect your local laws and building code.
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