NOTE: Most of the exercise sentences may be rephrased in more than one way to follow the chapter's guidelines.

2. a. After completing work on the data-entry problem, we turned to the processing problem.

b. Those who plan federal and state programs for the elderly should take into account the changing size and average age of the elderly population.

c. Please advise us. (The reader would have to figure out what to do in order to be able to provide advice.)

d. This study makes total white-water recycling an economical strategy for meeting federal regulations.

3. a. The stamping machine will cease to operate efficiently if you fail to clean it twice per shift and add the proper weight of oil.

b. At the supervisory meeting yesterday, the plant manager said he hopes all employees would seek ways to cut waste.

c. About 80% of our pulp supplies our plants for manufacturing packages. It is made into linerboard and corrugated cardboard, much of which is used for beverage containers.

d. Most garden sprays are unable to save vegetable plants from complete collapse once they wilt.

4. a. The experience itself will inspire the participants to dedicate more fully to productivity.

b. The system saves time for the clerical staff.

c. A team of three engineers experienced in these procedures will implement the plan. (Note the change from passive to active voice.)

d. Both pulp and lumber were in strong demand, even though rising interest rates dried up funds for housing.

5. a. Periodically, the Accounting Department should reconcile the shipping log with the daily billings.

b. The new computerized system should provide fast, accurate data from each operating area in the foundry.

c. The shop foreman has enforced safety regulations much more conscientiously since his own accident.

d. The manager has not designated anyone to make emergency decisions when she is gone.

6. a. Subject 1: "grab" samplers. Subject 2: rock, sediment, and benthic animals.

Revised second sentence: These samplers gather rock, sediment, and benthic animals at rates as high as 8,000 tons per hour. (Note shift to active voice.)

b. Subject 1:a dilute form of hydrofluorisilic acid. Subject 2: an automatic control.

Revised second sentence: Exactly the right amount of the acid is metered continuously by an automatic control. (Note the shift to passive voice to maintain a consistent focus.)

c. Subject 1: fourteen variables. Subject 2: the first seven. No revision needed.

d. Subject 1: the city's low-income citizens. Subject 2: information concerning nutrition.

Revised second sentence: Furthermore, many low-income citizens have difficulty finding information concerning nutrition.