TY - BOOK ED - International Labour Organization. TI - Methods of providing rest and alternation of shifts in automatic she et-glass works : : third item on the agenda PY - 1934/// CY - Geneva : PB - International Labour Organization, KW - Glass manufacture KW - Rest KW - Shift systems N1 - At head of title: Report III (Supplement). International labour conf erence. Eighteenth session, Geneva, 1934 ER -