Which of the following is a proper safety procedure when using a skid-steer loader?
a.
pay attention to the safety messages and signs
b.
recognize all the moving parts that can crush you
c.
inspect the machine before operating
d.
all of the answers are correct

The prebisch–singer hypothesis concludes that: a. technology lowers the cost of manufactured products, so developing countries should see an increase in their terms of trade. b. developing countries experience a long-run decline in their terms of trade, as the demand for primary products in higher-income countries declines relative to their demand for manufactured goods. c. because of unfair trading practices, labor in developing countries is exploited. d. opec has been responsible for a slowdown in the world's standard of living.