Wireless or wifi mesh network kits are readily available in the market which consists of a few or several routers. One of these nodes acts as a gateway & connects to the internet via modem. Whereas, other nodes communicate with each other on mesh topology. Wifi mesh network is better than range extenders
Yes, it is safe to swim while you on periods. Period blood doesn't flow outside the vagina like it usually does due to the counter-pressure of the water. But You still need to wear some a tampon or a menstrual cup to avoid getting into a sticky situation.
Resin tooth filling typically contains a filler particle such as quartz, which provides the mixture's strength and color. It is costly as compared to silver tooth filling.
In some cases, the change in period blood color can indicate a health problem like fibroids, low estrogen levels, and even vaginosis.