span class="st">"suff"</span>, margin <span class="op">=</span> <span class="st">"Industry"</span><span class="op">)</span></span>
<span><span class="co">#&gt;                          MD MD Light</span></span>
<span><span class="co">#&gt; Electricity [from Coal]   1  2     3</span></span>
<span><span class="co">#&gt; Electricity [from Solar]  4  5     6</span></span>
<span><span class="co">#&gt; attr(,"rowtype")</span></span>
<span><span class="co">#&gt; [1] "Product"</span></span>
<span><span class="co">#