ajänlähteisiin
ajänlähteisiin is a Finnish term that translates to "energy sources" or "sources of energy". It refers to anything that can be used to produce heat, light, electricity, or mechanical work. These sources can be broadly categorized into renewable and non-renewable types.
Non-renewable energy sources are finite and are consumed much faster than they are naturally replenished. Examples
Renewable energy sources, on the other hand, are naturally replenished on a human timescale. These include solar