The conditions "baling wire" and "bailing wire" and their relatedness (or absence thereof) generally generate confusion. Class M2 weights are meant for use in the initial verification of class M3 weights and for use in general business transactions and with weighing devices of accuracy course III. Black annealed baling wire. https://bailing-wire78890.affiliatblogger.com/83058677/bailing-wire-no-further-a-mystery