An oil rig is a structure on land or in the sea that is used when getting oil from the ground. 1  Arabic: Ø¬ÙÙÙØ§Ø²Ù Ø§ÙÙØ­ÙÙÙØ±Ù Ø§ÙÙÙÙÙÙØ·ÙÙÙ. 2  Brazilian Portuguese: torre de perfuraÃ§Ã£o petrÃ³leo. 3  Chinese: ç³æ²¹é»å¡.  Croatian: platforma za podvodno 1  buÅ¡enje. Czech: vrtnÃ¡ souprava na ropu.  Danish: 1  boreplatform. Dutch: booreiland.
The critical organ for plutonium, radium, strontium, and many other fission products is bone and the adjacent bone marrow. For iodine, the critical organ is the thyroid gland. Insoluble airborne radioactive dust often settles in the alveoli of the lungs, while small colloidal particles may become...
Cretinism is therefore most probably due to a diet deficient in iodine. It has affected many people worldwide and continues to be a major public health problem in many countries. Iodine is an essential trace element, necessary primarily for the synthesis of thyroid hormones. Iodine deficiency is the most common preventable cause of brain damage worldwide. Although iodine is found in many foods, it is not universally present in all soils in adequate amounts.