（ ） in marketplaces for the same customers ultimately leads to a race for businesses to produce products quickly, in addition to lowering costs, to keep customers happy.
（ ） in marketplaces for the same customers ultimately leads to a race for businesses to produce products quickly, in addition to lowering costs, to keep customers happy.
The steel drum was invented in Trinidad and Tobago in the 1 , and today it’s popular all over the world. It’s hard to believe, but this drum, with its sweet sound, is made from an 2 . On Trinidad and Tobago, you can hear steel drum music on the 3 , in the marketplaces, and especially during the islands’ 4 .
The steel drum was invented in Trinidad and Tobago in the 1 , and today it’s popular all over the world. It’s hard to believe, but this drum, with its sweet sound, is made from an 2 . On Trinidad and Tobago, you can hear steel drum music on the 3 , in the marketplaces, and especially during the islands’ 4 .
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