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Explanation: Riss=metall.= crack, (Werkstoffehler im
Metal) flaw, (in Roehren) crack, burst,
(Haarriss) fissure, (Kratzer) scratch
Rast: I found metall. bosh, but it means
Rast eines Hochofens--das im Muret-Sanders. In Cassell's I found for
Rast: mech./techn. notch, groove, stop,
bosh (of blast-furnace).
Elisabeth Moser United States Local time: 11:22 Native speaker of: German PRO pts in pair: 772