definiens: means ( a ) statutory liens for current Taxes not yet due or delinquent ( orwhich may be paid without interest or penalties ) or the validity or amount of which is being contested in good faith byappropriate proceedings, ( b ) mechanics ’, carriers ’, workers ’, repairers ’ and other similar liens arising or incurred in theordinary course of business relating to obligations as to which there is no default on the part of the Seller or thevalidity or amount of which is being contested in good faith by appropriate proceedings, or pledges, deposits or otherliens securing the performance of bids, trade contracts, leases or statutory obligations ( including workers’compensation, unemployment insurance or other social security legislation ), and ( c ) all other Encumbrances whichwould not, individually or in the aggregate, reasonably be expected to materially impair the use of the assets of theReorganized Company as currently used by the Reorganized Company