TY - BOOK ED - International Labour Office ED - International labor conference TI - Methods of providing rest and alternation of shifts in automatic sheet-glass works: Third item on the agenda AV - HD5119.G6 I5 1933c PY - 1933/// CY - Geneva PB - International labour office. KW - Glass manufacture KW - Rest KW - Shift systems N1 - At head of title: Questionnaire III. International labour conference. Eighteenth session, Geneva, 1934 ER -