perform and use something,what? 'solid' as an engineer

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perform and use something,what? 'solid' as any engineer
every day we are all think of two or more solid ways to make any kind or type of construction to be easy and solid (up to taste) and more concrete., And I found a tool that help you to construct any thing  virtually before carrying it out or practice it in real world, is called ''solid work''  basically design   for engineers.