part.i: 1) making that experiment; 5) working in a group environment; 10) concerning the subject; 15) concerning the processes at work
part.ii: 2) mentioned above; 3) made calculations; 4) theoretically predicted; involved in the process; 6) applied; 7) designed by the group of engineers; introduced in the thirties; 8) heated; improved by dr. n.; 9) proposed; the required mechanism; 11) presented; 12) obtained; reported by dr. d.; 13) synthesized; 14) engaged in the work; 15) detailed
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