Some of the commonly used wireless standards include 802.11a, 802.11b, 802.11g, 802.11n, and 802.11ac, where each standard was released to improve on the existing ones. 802.11b was an extension of the base standard 802.11 which was released in 1999. 802.11ac is the latest generation of IEEE standards.
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.