This technical note focuses on heavy. metal soil contamination. Metals in Soil. Mining, manufacturing, and the use of synthetic products (e.g. pesticides, paints, batteries, industrial waste, and land application of industrial or domestic sludge) can result in heavy metal contamination of urban and agricultural soils.
As a beginner, try practicing the guitar for 10-15 minutes a day. As you begin to build your finger muscles and improve your playing, you can increase this amount of time as you see fit. You may feel comfortable practice for 30 minutes per day, an hour per day, or even more.
There, a few piano tracks (not from me) and the time that it would take an average to be able to learn and master them(more or less), in my opinion. Hope it gives you a bit of an idea. And renember, it's mostly about practice, anyone can do it if they work. 2-3 years: https://www.youtube.com/watch?v=0lXGFSdc9y8