[!lemma=shape] [tag=RB] [□] □ □
[!lemma=shape] [tag=RB] [□=□] □ □
[!lemma=shape] [tag=RB] [□ | □] □ □
In other words , we are working very hard on the oil problem . We therefore work closely with many oil companies at different levels . The salmon could be fed soybean oil instead of fish oil early in their lives . They should be used sparingly while mosquito oil is applied only where stagnant water cannot be removed in a short time . When first incorporated in 1870 , it was strictly a refining company , controlling oniy about 10 percent of the petroleum refining capacity of the United States arid operating altogether on crude oil purchased from others .