Answer:
correct option is D) Whistle only
Explanation:
solution
equipment for fog signals is Whistle only because according to rule 33 of Equipment for Sound Signals
as length 12 meter or more than 12 meter there need only a whistle
and when length is more than 20 meter than bell in addition required with whistle
and length 100 meter or more than gong is additional provided with bell and whistle
so here
correct option is D) Whistle only
The following indicators placed based the category they belong:
Leading economic indicators:
- The unemployment rate
- Average duration of unemployment
- The trade deficit
- Interest rate spread
Not leading economic indicators:
- Manufacturer's order for durable goods
- Building permit
- Housing starts
<h3>What is unemployment?</h3>
Unemployment can be defined as the situation in which a person who is able and willing to work do not find a suitable job at a period of time. Unemployment is one of the most important determinant of the economy because it constitute the factors used to determine production and growth of an economy.
Learn more about unemployment:
brainly.com/question/13280244
