… of styrene ‑ Of polymers of vinyl chloride : 3920.43 ‑ ‑ Containing by weight not less than 6 % of plasticizers 3920.49 ‑ ‑ Other ‑ Of acrylic polymers : … to 39.26 . ° ° ° Subheading Explanatory Note. Subheadings 3920.43 and 3920.49 Products of these subheadings are …
… and apparatus ranging from spectacles of heading 90.04 to more complex instruments used in astronomy, … the Chapter also covers ordinary goggles (heading 90.04), simple magnifying glasses and non‑magnifying periscopes …
