The word is usually spelled encumber, which means to hinder or hamper.
The police encumber drivers with late night roadblocks.
Emotions can encumber a scientist's research projects.
Fear of hurting the patient would encumber a surgeon's ability to perform operations.
i do not know how to use embalming in a sentence. (there is the sentence)
So- you are asking when to use 'when' in a sentence. When you are asking how to use when in a question, you are already using when in a sentence, because a question actually is a sentence. I like to use when in a sentence whenever I like.
use contingency in a sentence?
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Use it in a big sentence.
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