If these valves or flaps do not work properly, blood can flow backwards and pool in the vein, causing it to stretch and bulge ...
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Cool new inventions that make swimming pools even better
Swimming pools are pretty great on their own even without any accessories and modern features but if you want to give them a cool vibe there are plenty of ways to do it. For example, you could opt for ...
I AM BUILDER on MSN
Building a Stunning Pool with a Secret Underground Tunnel
Using only natural materials and primitive tools, we built what may be our most beautiful pool ever—featuring a hidden underground passage carved entirely by hand. This stunning design combines form, ...
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