School and Industrial HygieneP. Blakiston, 1880 - 152페이지 |
도서 본문에서
34개의 결과 중 1 - 5개
6 페이지
... EFFECTS OF INHALING DUSTY AND POISONOUS SUBSTANCES · II . INJURIES FROM ATMOSPHERIC CHANGES - · III . INJURIES FROM OVER - Use of CERTAIN OR- ― GANS • IV.— INJURIES FROM ACCIDENTS . V.- REGULATION OF HOURS OF LABOR VI.- DURATION OF LIFE ...
... EFFECTS OF INHALING DUSTY AND POISONOUS SUBSTANCES · II . INJURIES FROM ATMOSPHERIC CHANGES - · III . INJURIES FROM OVER - Use of CERTAIN OR- ― GANS • IV.— INJURIES FROM ACCIDENTS . V.- REGULATION OF HOURS OF LABOR VI.- DURATION OF LIFE ...
13 페이지
... effects on the health and growth of some children . Very often it is not the school that injures a child , but the fact that the child is living in a city and has no place to run out - of - doors . Very often it is not study at all that ...
... effects on the health and growth of some children . Very often it is not the school that injures a child , but the fact that the child is living in a city and has no place to run out - of - doors . Very often it is not study at all that ...
29 페이지
... effect is obtained by adapting the instruction to the child's capacity and nature . The kindergarten system is one of the most striking instances of this . I do not mention it either for praise or blame , but simply in order to point ...
... effect is obtained by adapting the instruction to the child's capacity and nature . The kindergarten system is one of the most striking instances of this . I do not mention it either for praise or blame , but simply in order to point ...
32 페이지
... effects of change of occupation , and partly to the fact that six hours are clearly beyond the limit of profitable men- tal exertion . Something must also be ascribed to the regularity of attendance in half - time schools , which 32 ...
... effects of change of occupation , and partly to the fact that six hours are clearly beyond the limit of profitable men- tal exertion . Something must also be ascribed to the regularity of attendance in half - time schools , which 32 ...
34 페이지
... effects of unre- lieved work with the mind are not always easy to trace . In the case of teachers , the system gets so gradually used to a low tone of physical life that one forgets the sensation of health , loses a standard for self ...
... effects of unre- lieved work with the mind are not always easy to trace . In the case of teachers , the system gets so gradually used to a low tone of physical life that one forgets the sensation of health , loses a standard for self ...
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adult allowed Amherst College amount Astigmatism attend Aurist better body boys brain causes cent CHAPTER chest chil child classes Cloth danger deformity desk-lid Diphtheria disease distance dren duty dyspepsia edge Edition Edwin Chadwick effect excessive exercise eyes fact fatigue feet foot-rest fresh air girls give gymnastics habit Health Primers heat height Hospital Hygiene Illustrations inches injury Jefferson Medical College labor large number light lumbar vertebræ Manual meals Medical College mental mind muscles myopia near-sight Nurses objects Obstetrics oculist person Philadelphia physician play poisonous position practical prevent Professor public schools pupils rest retina Rush Medical College scholars SCHOOL-DESKS AND SEATS school-life school-rooms shoulder-joint shoulders sitting sleep spinal curvature spine suitable teach teacher tendency thing three hours tion University of Pennsylvania ventilation vigorous women writer's cramp writing young
인기 인용구
134 페이지 - A child, young person, or woman, shall not be allowed to work between the fixed and traversing part of any self-acting machine while the machine is in motion by the action of steam, water, or other mechanical power.