Subject
- Quality control1
- Ramie1
- Rayon1
- Recipes2
- Reflectance spectroscopy1
- Research, Industrial--Laboratories4
- Rosaceae1
- Saffron crocus1
- Samples (Commerce)1
- Scientific apparatus and instruments1
- Sewing2
- Sewing--Equipment and supplies2
- Silk1
- Solvents1
- Solvents industry1
- Spectrophotometry1
- Spectrum analysis1
- Stachys1
- Synthetic fabrics1
- Textile crafts1