Harmonized System
Section XVI > Chapter 84 > Heading 8461
Explanatory notes
… machines are fitted with one or two auxiliary or additional milling machine carriages, which replace an equal number of … machine‑tools called “planing and milling machines” are considered as planing machines, even though it is possible … Planing machines may also possess one or two grinding slides in addition to planing carriages. The addition of …Section XVI > Chapter 84 > Heading 8412
Explanatory notes
… ram-jet, it can be started from rest, the pulsing action providing for the intake of air. Pulse-jets are used in aircraft mainly as an auxiliary take-off. (3) Rocket engines. These … permanganate, liquid oxygen, nitric acid, etc. (ii) Solid propellant engines. These engines consist of a …Section VI > Chapter 28 > Heading 2842
… Other salts of inorganic acids or peroxoacids (including aluminosilicates whether or not chemically defined), other than azides. …
Explanatory notes
… 28.42 ‑ Other salts of inorganic acids or peroxoacids (including aluminosilicates whether or not chemically defined), other than azides. 2842.10 ‑ Double or complex silicates, including …Section XVI > Chapter 84 > Heading 8421
… Centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus, for liquids or gases. …