(Railway executives) may study a possibility of drilling a (railway tunnel).Logical formLearned from5 sentences. Shafts may be drilled.Logical formLearned from5 sentences. (Stem auger) may drill for mtbe.Logical formLearned from5 sentences. Students may be drilled.Logical formLearned from5 sentences. Holes may be drilled at some sites.Logical formLearned from5 sentences. Officials may be drilled.Logical formLearned from5 sentences. A position can be on drilling off a coast of a us-state.Logical formLearned from5 sentences. A man may be drilled.Logical formLearned from5 sentences. A hole may be drilled in a side.Logical formLearned from5 sentences. A us-state may drill.Logical formLearned from5 sentences. Wells may be drilled into an aquifer.Logical formLearned from5 sentences. (Water wells) may be drilled.Logical formLearned from5 sentences. An arm may drill trenches.Logical formLearned from5 sentences. Socket may be drilled behind (line channel).Logical formLearned from5 sentences. A hole may be drilled through some feet of rock.Logical formLearned from5 sentences.