| 60%-50%(RH) | Books, Antiques, Cultural, Relic, Calligraphy and pating, coin, CD, Engineering drawing-Fax Paper, Printing paper |
| 50%-40%(RH) | Lens, Camera, Video Cameras, Telescope, Microscope, Disk, Tape, Photo, Negative, slide, fiche, audio tape, instrument, oil pating, stamp, fur, cigarette, tea, pharmaceutical |
| 40%-30%(RH) | Measuring, Apparatus, electrical appliances, measuring implement, precision mould, semiconductor, Battery, Circuit board, Electron parts, Wafer, IC |
| Below 30% | Reagent sample, filter disc, standard sample, seed, pollen, dry pollen and spice, dessert, dry food, Chemistry etcs. |
