We use these three sorts of glue. As for the understanding of the glue, it is possible to refer to the following articles or blog posts: What’s MR glue-which is usually useful for plywood / film faced plywood / blockboardWhat is WBP glue – which is usually useful for WBP https://buy-18mm-poplar-film-face03691.popup-blog.com/28964426/the-definitive-guide-to-birch-plywood-sheets-for-sale