Lecture

<svg
    xmlns="http://www.w3.org/2000/svg"
    width="512"
    height="512"
    viewBox="0 0 512 512"
>
    <path
        d="M272.566 215.367h-33.133c-4.143 0-7.5 3.358-7.5 7.5s3.357 7.5 7.5 7.5h33.133c4.143 0 7.5-3.358 7.5-7.5s-3.357-7.5-7.5-7.5zM222.865 157.383a7.5 7.5 0 0 0-7.5 7.5v8.282c0 4.142 3.357 7.5 7.5 7.5s7.5-3.358 7.5-7.5v-8.282a7.5 7.5 0 0 0-7.5-7.5zM289.134 157.383a7.5 7.5 0 0 0-7.5 7.5v8.282c0 4.142 3.357 7.5 7.5 7.5s7.5-3.358 7.5-7.5v-8.282a7.5 7.5 0 0 0-7.5-7.5z"
    />
    <path
        d="M504.5 430.733h-50.486l-.001-25.637c0-29.074-16.913-54.266-41.413-66.273V305.7c0-13.271-10.796-24.067-24.066-24.067h-10.269c-.075-.227-.149-.455-.23-.68 31.725-19.376 51.133-53.658 51.133-91.22v-49.7a7.5 7.5 0 0 0-7.5-7.5c-23.268 0-42.199-18.931-42.199-42.2V73.767C379.467 33.092 346.375 0 305.7 0h-99.399c-40.676 0-73.768 33.092-73.768 73.767v16.566c0 23.269-18.931 42.2-42.2 42.2a7.5 7.5 0 0 0-7.5 7.5v49.7c0 58.945 47.955 106.9 106.9 106.9h9.065v20.996l-27.405 13.705-39.646.002c-40.673 0-73.763 33.09-73.763 73.763v25.634H7.5a7.5 7.5 0 0 0-7.5 7.5v33.133a7.5 7.5 0 0 0 7.5 7.5h25.633V504.5a7.5 7.5 0 0 0 7.5 7.5h69.4c4.143 0 7.5-3.358 7.5-7.5s-3.357-7.5-7.5-7.5h-61.9v-18.133h415.734V497H140.033c-4.143 0-7.5 3.358-7.5 7.5s3.357 7.5 7.5 7.5h331.334a7.5 7.5 0 0 0 7.5-7.5v-25.633H504.5a7.5 7.5 0 0 0 7.5-7.5v-33.133a7.5 7.5 0 0 0-7.5-7.501zm-65.487-25.636.002 25.637H412.6v-74.66c15.9 10.527 26.413 28.566 26.413 49.023zM397.6 305.7v27.714a73.63 73.63 0 0 0-17.35-2.08l-39.646.001-27.405-13.705v-20.996h9.067c3.375 0 6.753-.176 10.11-.491 3.008 9.862 12.19 17.058 23.023 17.058 10.652 0 19.704-6.959 22.863-16.567h10.269c5.001-.001 9.069 4.067 9.069 9.066zm-141.601 70.336-42.201-56.272v-30.612l.001-.019-.001-.019v-2.965c12.604 6.688 26.966 10.485 42.201 10.485 15.234 0 29.596-3.796 42.199-10.484v33.615zm90.334-228.501h9.066c5 0 9.067 4.067 9.067 9.066v33.134c0 4.999-4.067 9.066-9.067 9.066h-9.066zm-15 58.767c0 41.538-33.794 75.333-75.333 75.333-41.538 0-75.332-33.794-75.332-75.333l-.001-58.769H206.3c38.794 0 71.952-24.583 84.722-58.987 8.931 13.575 23.477 23.13 40.311 25.346zm-23.389 125.47 20.826 10.415-26.871 53.741-33.656-11.217zm56.523-42.639c0 5-4.067 9.067-9.066 9.067-5 0-9.067-4.067-9.067-9.067 0-4.999 4.067-9.066 9.067-9.066 4.998 0 9.066 4.067 9.066 9.066zm-174.734-7.5c-50.674 0-91.9-41.226-91.9-91.9v-42.69c28.01-3.683 49.7-27.711 49.7-56.71V73.767c0-32.404 26.363-58.767 58.768-58.767H305.7c32.404 0 58.767 26.363 58.767 58.767v16.567c0 28.999 21.69 53.027 49.699 56.71v42.69c0 32.892-17.318 62.853-45.501 79.333a23.923 23.923 0 0 0-13.265-3.999c-10.426 0-19.323 6.666-22.658 15.959-3.47.393-6.974.607-10.475.607H313.2v-5.469c18.398-15.091 30.749-37.291 32.82-62.363h9.38c13.27 0 24.067-10.796 24.067-24.066v-33.134c0-13.27-10.797-24.066-24.067-24.066h-9.066V114.4h.784c4.143 0 7.5-3.358 7.5-7.5s-3.357-7.5-7.5-7.5h-8.284c-23.261 0-42.186-18.917-42.199-42.174V57.2a7.5 7.5 0 0 0-7.5-7.5 7.5 7.5 0 0 0-7.5 7.5v.019c-.01 41.53-33.801 75.314-75.333 75.314h-33.133c-22.405 0-40.634 18.228-40.634 40.633 0 4.142 3.357 7.5 7.5 7.5s7.5-3.358 7.5-7.5c0-11.526 7.647-21.297 18.134-24.512l.001 57.647c0 28.122 12.919 53.281 33.131 69.861v5.471zm14.322 50.139 39.701 52.939-33.656 11.217-26.872-53.741zm-131.07 73.327c0-32.402 26.361-58.763 58.763-58.763l36.782-.002 31.063 62.12a7.501 7.501 0 0 0 9.079 3.761L256 396.441l47.328 15.774a7.502 7.502 0 0 0 9.079-3.761l31.062-62.12h36.782c6.037 0 11.863.918 17.35 2.616v81.784H72.985zM497 463.867H15v-18.133h482z"
    />
</svg>