WooCommerce CSV Image URL Creates Additional Images in Media Folder

When you upload any image on media library Wp resize it in all thumb dimensions to have multiple dimensions of same image. For example on woocommerce shop page by default will be visible resized products featured images because of images weight. If full dimensions images e.g. 1200×1200 px would be displayed on a page with 36 products on a div with 300×300 dimensions that page would uselessly weight a lot consequently reducing page load speed.