dealing with (§2(5) NLRA)

nothing in that section indicates that the broad term 'dealing with' is to be read as synonymous with the more limited term 'bargaining with.' The legislative history of § 2(5) strongly confirms that Congress did not understand or intend those terms to be synonymous. Congress, by adopting the broad term 'dealing' and rejecting the more limited term 'bargaining collectively,' did not intend that the broad term 'dealing with' should be limited to and mean only 'bargaining with.