disposal · noun U /dɪˈspoʊ.zəl/Full view
B2 when you get rid of something, especially by throwing it away
Dictionary examples:

waste disposal

the disposal of hazardous substances

Learner example:

Nowadays waste disposal and environmental protection has become one of the most important questions of our life in a world with environmental catastrophes. (First Certificate in English; B2; Hungarian)

at sb's disposal
B2 available for you to use at any time
Dictionary example:

We will have a car at our disposal for the whole trip.

Learner example:

But on Wednesday morning I'm at your disposal. (First Certificate in English; B2; Russian)

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