to have something inside, powder, contain, invent, material, to make something new or better, powder, do research into, discover, develop, to find something for the first time, discover, stick, thermometer, develop, to study something carefully to learn more about it, foam, contain, develop, do research into, a mass of small bubbles, powder, produce, foam, Velcro, what something is made from, stick, material, system, produce, to put two or more things together, stick, Velcro, material, mix, a dry substance made of very small pieces, discover, powder, weigh, stick, to make or create something, stick, material, weigh, produce, to check how well something works, powder, run a test, develop, contain, to attach one thing to another, powder, weigh, produce, stick, a group of parts that work together, powder, system, do research into, run a test, a tool that shows how hot or cold something is, contain, stick, thermometer, foam, a material with two sides that join together, Velcro, thermometer, run a test, do research into, to find how heavy something is, weigh, do research into, powder, Velcro, to design or create a brand-new device, method, or idea for the first time, thermometer, system, invent, stick

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