Explanatory notes
… iron or steel 8307.90 ‑ Of other base metal There are two main types of flexible metal tubing, differing according to … systems; vacuum cleaner tubing; conduits for compressed air, steam, gas, water, petrol, oil or other fluids in … not rendered watertight is used as conduits for sand, grain, dust, shavings, etc., and also, in certain cases, for …