Simile
A simile is a comparison using like or as
Kafka uses the literary technique of metaphor in this sentence.
the crippled dog was lame.the sportsmans technique was lame.
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.
as musical compositions, these etudes are intended mainly for the practice of some point of technique
You can use this sentence if you like.
He favourite pacification technique was to repeat the phrase, "calm down, calm down."
Aquarelle was known the ancient Egyptians as a technique of painting in transparent, rather that opaque, watercolours
How would you like me to put that in a sentence?
You can use the word Truss in a sentence like this.
the technique is used for breading a choice of food like a chicken breast or shrimp
I use taxonomy like this.
You would use deem in a sentence like 'I deem this site to be unsafe'