PAPER CONTAINERS AND PACKAGING, NAMELY, CARDBOARD AND CORRUGATED BOXES AND CARTONS; PRINTED LITERATURE, NAMELY MANUALS AND CATALOGS ON THE SUBJECT OF ELECTRICAL, THERMAL, ACIDITY, OXYGEN, PRESSURE, AND FLOW TESTING AND MEASUREMENT; PRINTED FORMS; CHARTS; STATIONARY; BOOKS ON THE SUBJECT OF VARIABLE PHYSICAL PARAMETER TESTING, MEASUREMENTS AND CONTROL