"Successful safety programs may(45 differ)greatly in the emphasis placed on certain aspects of the program. Some place great emphasis on mechanical guarding. Others stress safe work practices by (46 observing)rules or regulations. (47 Still) others depend on an emotional appeal to the worker. But, there are certain basic ideas that must be used in every program if maximum results are to be obtained."
"If no surplus is available, a farmer cannot be(47 self-sufficient) . He must either sell some of his property or (48 seek) extra funds in form of loans. Naturally he will try to borrow money at a low (49 rate)of interest, but loans of this kind are not (50 frequently)obtainable."