There is a tendency to utilize underground space for the less ornamental purposes of civilization; there is the Metropolitan Railway in London, for instance, there are new electric railways, there are subways, there are underground workrooms and restaurants, and they increase and multiply.
Polystyrene can be naturally transparent, but can be colored with colorants. Uses include protective packaging (such as packing peanuts and CD and DVD cases), containers (such as clamshells), lids, bottles, trays, tumblers, and disposable cutlery.
Label dispensers, fragile/caution labels, shipping/address labels, and other labeling supplies. Steel strapping, poly strapping, strapping seals, tools and equipment. CD packaging, DVD packaging, and other media packaging supplies. Wholesale plastic food containers, styrofoam cups, & aluminum food containers.