вкладыши

In a sentence

• Я купил новые вкладыши для наушников.

  I bought new earbuds.

  Here, 'вкладыши' refers to small pieces that fit into the ears for the purpose of listening through earphones, commonly known as earbuds.

• В автомобильных двигателях используют прохладные вкладыши.

  Cool inserts are used in car engines.

  In this sentence, 'вкладыши' represents parts or components inserted into mechanical systems, specifically used in engine technology.

• Мне понравились вкладыши в журнале с рецептами.

  I liked the inserts in the magazine with recipes.

  Here, 'вкладыши' means removable paper-paneled additions in books or magazines which contain extra information or advertisements.