Aspek Penerangan, Kebisingan dan Getaran di Tempat Kerja dan Pengendaliannya

PENERANGAN Penerangan di tempat kerja adalah salah satu sumber cahaya yang menerangi benda-benda ditempat kerja. Penerangan dapat berasal dari cahaya alami dan cahaya buatan, banyak obyek kerja beserta benda atau alat dan kondisi disekitar yang perlu dilihat oleh tenaga kerja, hal ini penting untuk menghindari kecelakaan yang mungkin terjadi, selain itu penerangan yang memadai memberikan kesan pemandangan yang lebih baik dan keadaan lingkungan...

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Higiene Perusahaan

Higiene Perusahaan adalah spesialisasi dalam ilmu higiene beserta prakteknya yang dengan mengadakan penilaian kepada faktor-faktor penyebab penyakit kualitatif dan kuantitatif dalam lingkungan kerja dan perusahaan melalui pengukuran yang hasilnya dipergunakan untuk dasar tindakan korektif kepada lingkungan tersebut serta bila perlu pencegahan, agar pekerja dan masyarakat sekitar suatu perusahaan terhindar dari bahaya akibat kerja serta dimungkinkan...

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Milestone of Development

THE FIRST YEAR Motor Development During early childhood, the primitive reflexes are replaced by voluntary motor control, which is under the higher cortical control. Motor development is a cumulative process; higher level skills are dependent on lower level skills.            In the first two months, an infant’s movements consist largely of uncontrolled writhing with apparently purposeless hand...

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Developmental Brain Anomalies

Although the incidence of nervous system malformations in living newborns is 1%-3%, such malformations are present in 40% of infant deaths. The etiologies associated with developmental anomalies may result from a variety of insults from genetic to environmental. Abnormalities associated with the neural tube and the neural plate generally occur within the first 28 days of gestation. On the other hand, abnormalities associated with cellular proliferation...

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Neural Tube Defects

Neural tube defects (NTDs) are a group of birth defects which are associated with a defective closure of the neural tube and the subsequent development of the central nervous system (brain and spinal cord). It is one of the most common birth defects occurring in approximately 0.7-1.0 per 1000 live birth each year (1,2). There are three types of NTDs: anencephaly, encephalocele, and spina bifida. Spina bifida, the most common NTD, means "split spine"...

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