trench → HasA → depth | 0.40 | |
trench → HasA → protective system | 0.38 | |
trench → HasA → sidewall | 0.35 | |
trench → HasA → a trench oxide layer | 0.28 | |
trench → HasA → ladder | 0.25 | |
trench → HasA → perforated pipe | 0.25 | |
trench → HasA → predetermined width | 0.25 |