I’ve always thrown away the oil cap – a colleague explained to me what it was actually used for

I’ve always thrown away the oil cap – a colleague explained to me what it was actually used for

It’s common that when opening a new bottle of oil, the first thing we do is throw away the small plastic cap that sits in the opening. For many, this cap seems to be a simple obstacle that makes it difficult to pour the oil, and the quick solution is to remove it and throw it away.Continue reading…