earth pitch

boundary line of two times between earth excavation area and earth fill area

Earth Day [first Earth Day in 1970]

absolute pitch

acceleration in pitch

accumulated pitch error

accumulative pitch error

Acid pitch corrosion

across pitch

acting circular pitch

acting pitch circle

acting pitch diameter

actual pitch

adjacent pitch error

adjustable pitch

adjustable pitch propell

adjustable pitch propeller

adjustable radius and pitch

Adjustable-pitch