… disc‑sealed (lighthouse) tubes, stabilising valves, thyratrons, ignitrons, etc. The heading includes : (1) … and in general have two electrodes. Certain types (e.g., thyratrons) have control grids so that their operation can …
… hour 8402.19 - - Other vapour generating boilers, including hybrid boilers 8402.20 - Super-heated water boilers 8402.90 … walls of some boilers are also formed of watertubes. (3) Hybrid boilers, which are generally a combination of types …
… 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 …
… obtained by mechanically opening or pressing fresh, healthy and ripe fruit or vegetables. This may be done (as … , in the case of certain juices obtained from very fleshy fruits (tomatoes, peaches, etc.). (e) Sterilisation …
… and calcareous clay (brick earth). It has a dull earthy texture and its colour is generally brown, red or … clay, or by heating in a reducing atmosphere with hydrocarbons or carbon), impregnated with tar, or glazed, …