Using glue and clamps to stick boards together is something every ... and options include paste wax, beeswax, paraffin wax, ...

[Luciano] didn’t want to drop a lot of cash into a flux and solder paste applicator so he built his own for about $5. He re-purposed a hot glue gun which you can usually find at a dollar store.

If you are making something, you probably need to stick stuff together. Chances are, you will use an adhesive or glue of some type. Humans have been using glue for thousands of years, going back to ...