Not all oil is the same when it comes to string trimmers. Different types of motors require different levels of oil viscosity and specific oil-gas mixtures.

Castor oil has various uses in medicine, industry, and pharmaceuticals. It is found in food, medication, and skin care and is also used as an industrial lubricant and biodiesel component. Share on ...

The lubricant you purchase for home and shop maintenance is some of the most expensive oil you can buy. In terms of chemical products, it’s among the most expensive materials that you regularly ...