21.   Timber is harvested and oil companies have been digging for oil.

v. + timber >>共 116
sell 7.61%
harvest 7.61%
cut 5.07%
use 3.62%
remove 3.26%
transport 2.90%
carry 2.90%
grow 2.54%
have 2.54%
export 2.54%
harvest + n. >>共 304
crop 16.38%
timber 2.59%
tree 2.59%
organ 2.46%
corn 1.85%
egg 1.72%
grain 1.72%
field 1.60%
rice 1.48%
wheat 1.35%
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