−Removed: From time to time, we may become involved in various
−Removed: lawsuits and legal proceedings that arise in the ordinary course of business.
−Removed: Neither we nor any of our subsidiaries currently is a party
−Removed: to any legal proceeding that, individually or in the aggregate, is material to our company as a whole.
−Removed: SAFETY DISCLOSURES .
+Added: LEGAL PROCEEDINGS
+Added: From time to time, we may become involved in various lawsuits and legal
+Added: proceedings that arise in the ordinary course of business.
+Added: Neither we nor any of our subsidiaries currently is a party to any legal proceeding
+Added: that, individually or in the aggregate, is material to our company as a whole.
+Added: MINE SAFETY DISCLOSURES .
Not applicable.
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.