… jaws which grip the trunk and uproot it by the action of hydraulic jacks. (2) Tree‑felling machines with hydraulic shears or saws, whether or not equipped with …
… (28.04). Holmium........... Ho 67 Rare‑earth metal (28.05). Hydrogen.......... H 1 Non‑metal (28.04). … sodium nitrates by treatment with sulphur dioxide or sodium hydrogen sulphite, or from marine algae by drying, …
