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| 0000013239-21-000023.txt | 2021-11-12 16:28:29 | |
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| exhibit311aq32021.htm | 10214 | 2021-11-12 16:28:29 |
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| exhibit321q32021.htm | 6615 | 2021-11-12 16:28:29 |
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| hsc-20210930.xsd | 55531 | 2021-11-12 16:28:29 |
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| hsc-20210930_htm.xml | 1573649 | 2021-11-12 16:28:29 |
| hsc-20210930_lab.xml | 705976 | 2021-11-12 16:28:29 |
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| report.css | 2767 | 2021-11-12 16:28:29 |
| Show.js | 1085 | 2021-11-12 16:28:29 |