Brightness

<svg
    xmlns="http://www.w3.org/2000/svg"
    width="512"
    height="512"
    viewBox="0 0 468.002 468.002"
>
    <g fill="#4f4f4f">
        <path
            d="M213.762 103.2c-3.866 0-7-3.133-7-6.998V68.765c0-3.865 3.134-6.998 7-6.998s7 3.133 7 6.998v27.436a7 7 0 0 1-7 6.999zM116.608 143.546a6.976 6.976 0 0 1-4.957-2.057l-19.35-19.4a6.996 6.996 0 0 1 .015-9.897 6.998 6.998 0 0 1 9.899.015l19.35 19.4c4.454 4.16 1.028 12.15-4.957 11.939zM76.366 240.949H49.001a6.999 6.999 0 1 1 0-13.996h27.365a6.999 6.999 0 1 1 0 13.996zM97.259 357.752c-5.985.212-9.409-7.779-4.957-11.94l19.35-19.4a6.999 6.999 0 0 1 9.899-.015 6.997 6.997 0 0 1 .015 9.897l-19.35 19.4a6.973 6.973 0 0 1-4.957 2.058zM213.762 406.134c-3.866 0-7-3.133-7-6.998V371.7c0-3.865 3.134-6.998 7-6.998s7 3.133 7 6.998v27.436a6.999 6.999 0 0 1-7 6.998zM323.223 130.905c-19.539 0-38.365 5.472-54.757 15.848-15.852-10.032-34.612-15.848-54.704-15.848-56.672 0-102.777 46.226-102.777 103.045s46.105 103.046 102.777 103.046c20.092 0 38.853-5.816 54.705-15.849 16.391 10.377 35.218 15.849 54.756 15.849 56.672 0 102.778-46.227 102.778-103.046s-46.106-103.045-102.778-103.045zm-6.736 99.886c-.447-14.795-4.015-28.816-10.072-41.42l40.992-41.107c12.471 3.546 23.832 9.767 33.43 17.998zm6.736-85.886c2.508 0 4.991.11 7.447.316l-31.453 31.541a103.791 103.791 0 0 0-18.548-20.968c12.995-7.143 27.53-10.889 42.554-10.889zm-8.294 107.275 75.791-76.002c8.204 9.629 14.404 21.025 17.937 33.535l-109.624 109.93a87.728 87.728 0 0 1-18.365-7.536c17.576-15.146 30.007-36.132 34.261-59.927zm8.294 70.816c-2.497 0-4.979-.113-7.445-.318l95.91-96.178c.204 2.457.313 4.941.313 7.45 0 49.1-39.826 89.046-88.778 89.046z"
        />
    </g>
    <g fill="#4f4f4f">
        <path
            d="M7.001 136.076a7 7 0 0 1-7-7V7a7 7 0 0 1 7-7h92.103a7 7 0 1 1 0 14H14.001v115.076a7 7 0 0 1-7 7z"
        />
        <circle cx="129.104" cy="8" r="7.999" />
    </g>
    <g fill="#4f4f4f">
        <path
            d="M461.001 136.104a7 7 0 0 1-7-7V14.002H338.898a7 7 0 1 1 0-14h122.103a7 7 0 0 1 7 7v122.103a7 7 0 0 1-7 6.999zM129.104 468.002H7.001a7 7 0 0 1-7-7V338.899a7 7 0 1 1 14 0v115.103h115.103a7 7 0 1 1 0 14zM461.001 468.002H338.898a7 7 0 1 1 0-14h115.103V338.899a7 7 0 1 1 14 0v122.103a7 7 0 0 1-7 7z"
        />
    </g>
</svg>