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Definition
Asbestos, a class of mineral fiber historically used for fireproofing, insulation, and soundproofing.
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How it's used
Focuses on the hazardous nature of the material, as it is almost exclusively discussed in the context of building safety, demolition, and public health regulations. It is not a word used in casual conversation unless discussing construction hazards or historical building materials.
Examples
When renovating old buildings, you need to carefully check for asbestos.
These asbestos roof tiles are very dangerous, you must find professionals to remove them.
Related words
Common mistake
Learners often confuse it with generic insulation materials, but it specifically refers to the toxic mineral fiber that is now strictly regulated or banned in most construction projects.
Grammar color guide
Noun
Verb
Adjective
Adverb
Pronoun
Classifier
Particle
Connector
Grammar guides
- TonesCantonese has six tones, and the tones can change in certain grammatical contexts. Learn the six tones and the rules for tone change.
- Time and datesClock time, days of the week, months, and years. The patterns you need to make plans and talk about when things happen.
- Modal verbsHow to say can, will, may, should, must, and want. The core modal verbs of Cantonese and the differences that trip up beginners.



