def _engprop(l):  # {{{1
    """Print the engineering properties as a HTML table."""
    lines = [
        "</tbody>",
        "<tbody>",
        '<tr><td colspan="6" align="center"><strong>Engineering properties</strong></td></tr>',
        '<tr><td colspan="3" align="center"><strong>In-plane</strong></td>',
        '<td colspan="3" align="center"><strong>3D stiffness tensor</strong></td></tr>',
        "<tr>",
        f'<td>E<sub>x</sub></td><td>{l.Ex:.0f}</td><td align="left">MPa</td>',
        f'<td>E<sub>x</sub></td><td>{l.tEx:.0f}</td><td align="left">MPa</td>',
        "</tr>",
        "<tr>",
        f'<td>E<sub>y</sub></td><td>{l.Ey:.0f}</td><td align="left">MPa</td>',
        f'<td>E<sub>y</sub></td><td>{l.tEy:.0f}</td><td align="left">MPa</td>',
        "</tr>",
        "<tr>",
        f'<td>E<sub>z</sub></td><td>{l.Ez:.0f}</td><td align="left">MPa</td>',
        f'<td>E<sub>z</sub></td><td>{l.tEz:.0f}</td><td align="left">MPa</td>',
        "</tr>",
        "<tr>",
        f'<td>G<sub>xy</sub></td><td>{l.Gxy:.0f}</td><td align="left">MPa</td>',
        f'<td>G<sub>xy</sub></td><td>{l.tGxy:.0f}</td><td align="left">MPa</td>',
        "</tr>",
        "<tr>",
        f'<td>G<sub>xz</sub></td><td>{l.Gxz:.0f}</td><td align="left">MPa</td>',
        f'<td>G<sub>xz</sub></td><td>{l.tGxz:.0f}</td><td align="left">MPa</td>',
        "</tr>",
        "<tr>",
        f'<td>G<sub>yz</sub></td><td>{l.Gyz:.0f}</td><td align="left">MPa</td>',
        f'<td>G<sub>yz</sub></td><td>{l.tGyz:.0f}</td><td align="left">MPa</td>',
        "</tr>",
        "<tr>",
        f'<td>&nu;<sub>xy</sub></td><td>{l.νxy:.3f}</td><td align="left">-</td>',
        f'<td>&nu;<sub>xy</sub></td><td>{l.tνxy:.3f}</td><td align="left">-</td>',
        "</tr>",
        "<tr>",
        f'<td>&nu;<sub>yx</sub></td><td>{l.νyx:.3f}</td><td align="left">-</td>',
        f'<td>&nu;<sub>xz</sub></td><td>{l.tνxz:.3f}</td><td align="left">-</td>',
        "</tr>",
        "<tr>",
        f'<td>&alpha;<sub>x</sub></td><td>{l.αx:.3f}</td><td align="left">K<sup>-1</sup></td>',
        f'<td>&nu;<sub>yz</sub></td><td>{l.tνyz:.3f}</td><td align="left">-</td>',
        "</tr>",
        "<tr>",
        f'<td>&alpha;<sub>y</sub></td><td>{l.αy:.3f}</td><td align="left">K<sup>-1</sup></td>',
        "</tr>",
    ]
    return lines