Material-testing machines are practical and important devices for many industries. They allow users to test the strength of different materials, such as solder bumps and bond wires, with relative ease. If you're in the market for one of these devices, consider this guide before making a selection. Ease of Use Whether you've used these machines before or are new to material-testing applications, it's always important to consider the ease of use of any material-testing machine you're thinking about purchasing.