Näytteestä prototyyppiin
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(https://1.bp.blogspot.com/-VKUPegMUWK0/YQuBPQeGQ3I/AAAAAAABLjA/JRC2Tjp4N1E6NnCxkJHvk3gQX-gFOKxZgCLcBGAsYHQ/s816/IMG_4846.JPG)
(https://blogger.googleusercontent.com/img/a/AVvXsEg6IhQyGwIy6fFOeh34r5QgJELVMjfXyC91kXywsm8Oueeiu8ngifUZsVId70v29Qs4TLKiiwsyvQy3CULXSBmqDmb_yB5TkARYZiEOlnUsU_yd_0vMzVQCyK4VMTtGaV9r681Sj1MhUXJL4gkdm9paGCu2uQy8t6UeswXHXOTsGh0Ap8qnFLv2HLQGmQ=s816)