Sainte Marie Coal Mine
... that the hoist of the Sainte Marie Coal Mine should have been used only during shaft mining, but was used after this, leading to the entrapment of five miners when it broke?
... that the <a href="./Hoist_(mining)" id="mwBnk" rel="mw:WikiLink" title="Hoist (mining)">hoist</a> of the <b id="mwBno"><a href="./Sainte_Marie_Coal_Mine" id="mwBns" rel="mw:WikiLink" title="Sainte Marie Coal Mine">Sainte Marie Coal Mine</a></b> should have been used only during <a class="mw-redirect" href="./Shaft_mining" id="mwBnw" rel="mw:WikiLink" title="Shaft mining">shaft mining</a>, but was used after this, leading to the entrapment of five miners when it broke?