1. Buttress
Noun
i. a construction, usually of brick or stone, built to support a wall
ii. any support or prop
Verb
i. to support (a wall) with a buttress
ii. to support or sustain
2. Fatigue
Noun
the weakening of a material caused by repeated stress or movement
3. Borrow Pit
Noun
a pit created to provide earth that can be used as fill at another site
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