The paper industry's experiences with PCBs were chronologically reviewed at a recent "PCB Workshop" sponsored by the Grocery Manufacturers of America, Inc. (1). This history goes back somewhat over a year, at which time two paperboard manufacturers were apprised of the presence of PCBs in folding cartons for packaging dried fruit. These two manufacturers immediately began searching for the sour...

Waxed paper sputum cartons obtained from the manufacturers contained very few organisms. Similar cartons which had been stored in hospital wards were often contaminated with hospital dust. This contamination was sometimes sufficiently marked to be misleading. Coliform organisms are particularly liable to cause confusion. Waxed cartons are useful for collecting sputum, but they must be properly ...

Product packaging is one of the key industrial sectors where automation is of paramount interest. Any product going out to the consumer requires some form of packaging, be it food products, gift packaging or the medical supplies. Hence there is continuous demand of high-speed product packaging. This requirement is dramatically increased with seasonal consumer products and fancy gifts, which inv...

This paper studies a variant of the three-dimensional bin packing problem (3D-BPP), where the bin height can be adjusted to the cartons it packs. The bins and cartons to be packed are assumed rectangular in shape. The cartons are allowed to be rotated into any one of the six positions that keep the carton edges parallel to the bin edges. This greatly increases the difficulty of finding a good s...