This is the 16792nd most frequent Russian word.
смазки
"Смазки" means "lubricants" in English.
Here, the word 'смазки' (lubrication/grease) is used in its plural form to refer to the lubricating substance necessary for mechanical operation.
Эта деталь требует хорошей смазки для плавной работы.
This part requires good lubrication for smooth operation.
In this instance, 'смазки' is used to denote various types or categories of lubricant products.
Мы купили несколько видов смазки для ремонта автомобиля.
We bought several types of grease for car repair.
The word 'смазки' is used to describe the indispensable substance required to reduce friction and prevent wear.