If you are not using the Conga Contracts for Salesforce Clause Library, Rowburner is an excellent feature for displaying or hiding terms and conditions, additional provisions specific to a product, or any kind of contractual language that may conditionally apply to a particular transaction. Queries can be used in multiple places in a template (like the OLI example above) to burn a table row and/or additional language according to a particular product.

Here is an example using a Rowburner in a table with borders removed: