5. For the integration of solid waste treatment, what is the most important strategy you can common? Scale-up experiment? 6. How about if you are a manager of a paper production factory. If one issue you must dump your biosolid produced in the mill production; what will you consent or reject the biochar conversion project? 7. What is the most influencing factor for promoting waste recycle and use, like Pyrolysis of waste tires for carbon and biofuel? 8. How about waste recycle for Agriculture & sustainability?