Which of the following<br/>words does NOT contain a prefix denoting negative meaning? A: inflammable B: ignoble C: illegal D: imbalance
Which of the following<br/>words does NOT contain a prefix denoting negative meaning? A: inflammable B: ignoble C: illegal D: imbalance
Warning signs must be printed on the transport package for（）. A: inflammable materials B: explosive materials C: oxidant D: hygroscopic articles E: fragile articles
Warning signs must be printed on the transport package for（）. A: inflammable materials B: explosive materials C: oxidant D: hygroscopic articles E: fragile articles
Warning marks are obvious symbols or words to warn people against the hidden of inflammables, explosives and poisonous products, e.g. “CORROSIVES”, “EXPLOSIVES”, “POISON”, “INFLAMMABLE”, “ACID WITH CARE”, etc.
Warning marks are obvious symbols or words to warn people against the hidden of inflammables, explosives and poisonous products, e.g. “CORROSIVES”, “EXPLOSIVES”, “POISON”, “INFLAMMABLE”, “ACID WITH CARE”, etc.
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