Edcamps are: 1  free. 2  non-commercial and conducted with a vendor-free presence. 3  hosted by any organization interested in furthering the edcamp mission. 4  made up of sessions that are determined on the day of the event. 5  events where anyone who attends can be a presenter.
One menstrual cup will last you forever.*. According to Diva Cupâs website, you should replace your cup annually. *Many other eco sites actually claim that with proper care, one cup could last 10 years.
Manufacturers recommend replacing your brake fluid every three years or so because most fluid deteriorates with use. Also, its affinityâfor water reduces the fluidâs heat resistance and can cause brake-system corrosion. An essential part of replacing brake fluid is bleeding the system.