It means you get involved. Technically, our local forms of government are not participatory democracies. Officially, participatory democracy is direct democracy, in the sense that all citizens are actively involved in all important decisions.
It shouldn't if washed with gentle care. Rayon is a cellulose fabric and like most cellulose fabrics, it may shrink when washed. If the manufacturer has indicated the garment should be dry cleaned only, do not push your luck. If it is hand-washable though, you can use the gentle cycle on your washing machine and Woolite to get the job done.
It is regenerated from solution by adding sulphuric acid. Thus rayon is 'regenerated cellulose' and it is used for making fabrics like stockings, shirts etc. Aim of the projects The main objective of the project is to illustrate the preparation of rayon by the cuprammonium process.