Different safety standards for sure. Saw things in the printing industry on late 60s and early 70s.  I'm collage I worked in the largest print shop in the southwest. We printed all the telephone books in the south west.<div id="yMail_cursorElementTracker_1641683736575"><br></div><div id="yMail_cursorElementTracker_1641683737116">I graduated and worked nights and holidays for friends  there for two years after I earned my EE degree. Those years was when we learned about PPE and such.<br id="yMail_cursorElementTracker_1641683534837"><br><div id="ymail_android_signature"><a id="ymail_android_signature_link" href="https://go.onelink.me/107872968?pid=InProduct&c=Global_Internal_YGrowth_AndroidEmailSig__AndroidUsers&af_wl=ym&af_sub1=Internal&af_sub2=Global_YGrowth&af_sub3=EmailSignature&af_web_dp=https://more.att.com/currently/imap">Sent from AT&T Yahoo Mail on Android</a></div> <br> <blockquote style="margin: 0 0 20px 0;"> <div style="font-family:Roboto, sans-serif; color:#6D00F6;"> <div>On Sat, Jan 8, 2022 at 2:46 PM, Robert Brooks</div><div><rbrooks@hvc.rr.com> wrote:</div> </div> <div style="padding: 10px 0 0 20px; margin: 10px 0 0 0; border-left: 1px solid #6D00F6;"> _______________________________________________<br clear="none">AT mailing list<br clear="none"><a shape="rect" ymailto="mailto:AT@lists.antique-tractor.com" href="mailto:AT@lists.antique-tractor.com">AT@lists.antique-tractor.com</a><br clear="none"><a shape="rect" href="http://lists.antique-tractor.com/listinfo.cgi/at-antique-tractor.com" target="_blank">http://lists.antique-tractor.com/listinfo.cgi/at-antique-tractor.com</a><br clear="none"> </div> </blockquote></div>