How often should u change your tampon

how often should u change your tampon
In general, you should change your tampon every 4-6 hours, but you can safely leave a tampon in for up to six hours. You'll need to change your tampon more.

How often should you change your boiler

how often should you change your boiler
1. Your boiler is simply getting old. The average boiler should last approximately 15 years. Boilers made of cast iron can often last 20 to 30 years or more.
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