<span>Choice (a) is the correct answer. The merchants were only allowed to trade with the island of Macao. The other islands were closed off to the merchants because of their relationships with the mainland of China and its people.</span>
The Answer is LOTO. LOTO stands for Lock out/Tag out. When preforming maintenance or repair on machinery it is important to use LOTO or Lock out/Tag out to insure that no one uses the machinery while it is under repair/maintenance. This is important because using a machine while under repair or maintenance could result in serious injury or even death.
