plant+fertilizer,+oil,+and+roses.

===Plant fertilizer- Plant fertilizer is used to add the nutrients that soil does not have. The most important nutrients in any fertilizer are nitrogen, phosphorus and potassium. A fertilizer consists of an organic substance with the aim of improving the quality or amount of plant growth. Fertilizer makes plants more active, helps leaves grow larger, decreases the chance of an insect or disease infestation, and can even reverse a decline in health. ===

===Motor oil- Cars in the earlier days used crude oil from which their fuel was obtained to protect the rotating parts in a car. Moving parts near each other need oil film between them to stop seizure and as the speed increases a medium to carry away heat. Oil and petrol were consumables that were soon to be in demand. one of the most important functions of motor oil is to capture and suspend contaminants. Motor oil would become rapidly saturated with these contaminants and water materials.=== 





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