Because Bali people believe one's teeth are symbols of jealousy, lust, greed, anger, confusion and insobriety, it really is traditional to file the top of canines despite having the upper incisors, which helps avoid any forces of evil around persons, make sure they are more beautiful and mark their adulthood. The adolescents, whose teeth are filed, must keep isolated per day prior to the ceremony and refuse to cry out. This unusual rite is undertaken by the Brahmin or priest whenever you can under very strict conditions. For others, physical menopause symptoms can include hot flashes and/or night sweats and vaginal dryness. Others could have problems in bladder control as well as other discomforting indications such as headache, fatigue, heart palpitation and muscle and joint pain. A majority of females could possibly have sleep problems and may even experience emotional menopause symptoms like moodiness, depression and irritability. Menopause symptoms also can influence a female?s sexuality. Others may have decreased libido and may have difficulty getting sexually excited and be less sensitive. Sex may even be painful on account of vaginal dryness or thinning from the vaginal tissue. Still there is a proportion of women who consider menopause a blessing as sex becomes more enjoyable since there are no pregnancy concerns anymore. It is said that approximately 50 percent of men and women come with an allergy to latex. The elastic-like material that comes from the sap of rubber trees is the thing that most condoms are made from now. It has proven to be quite effective as being a defense mechanism against STD's. However, for a few, experience of Latex has been shown to be very irritating and uncomfortable. What do you do when you're allergic to latex and you also don't trust every other methods of safe sex? There are other alternatives. Both Polyurethane and Lambskin condoms are latex free. They are also thinner as opposed to typical latex condom, making sex a little more enjoyable from a sensational standpoint. The only downfall to using Lambskin and Polyurethane are: Polyurethane condoms usually fit a bit loose. You have to be extra careful when taking them off. Lambskins aren't as effective against STD's. They have tiny skin pores in them. Some STD's can certainly break through. Lambskin's aren't ideal for a non-monogamous relationship. Why it is so important When a mixture of different substances is rotated at extremely high speeds within a closed path (in your case a closed container), substances of higher mass often go on to the outermost path and lighter particles experience the nearest to rotating axis. The same principle can be used in centrifuge oil cleaning.