Arrange the following steps in the correct sequence for the production of rayon fiber from wood pulp:
1. Preparation of viscose solution
2.Spinning the viscose into filaments
3.Washing and aging of the viscose
4.Regeneration of cellulose into fibers
5.Extrusion of viscose through spinneret
1
3, 1, 5, 4, 2
2
3, 1, 4, 5, 2
3
1, 3, 5, 4, 2
4
1, 5, 3, 4, 2