All these factors revolve around the manufacturing process, because that may be the place where quality can be compromised.
Once the tufts help to make up carpeting are packed closely together, it is considered to be dense; when they are spaced far apart, the carpeting is believed to be sparser. https://www.pressadvantage.com/story/65432-contractors-state-license-center-leads-the-way-in-zoom-classes-for-contractor-licensing-in-los-angel