Closing machines for plastic containers are expensive and most producers of canned products (in the USA) already have metal can closing machines.
(Closing machines for plastic containers; are; expensive) (most producers of canned products (in the USA; have; metal can closing machines; T:already) Context(most producers of canned products ( in the USA have,List([58, 117))):(metal; can closing; machines)
most producers of canned products ( in the USA have,List([58, 117))
Closing machines for plastic containers most producers of canned products (in the USA metal
are have can closing
expensive
metal can closing machines T:already
machines