silicon dioxide or silica is the earth’s most abundant mineral. the primary pulmonary illness attributable to silica exposure is silicosis, which is observed in three forms: classic, accelerated and acute. a case of silicosis is presented in this article who has been working in a stone-cutting plant. he had suffered from symptoms of silicosis one year after employment in this plant (acute form)...

BACKGROUND Production process of most factory-made products is harmful to our health and environment. Silica is the most important stone used in stone cutting factories. Numerous researches have reported respiratory diseases due to the inhalation of these particles in various occupations. Silicosis is a disease with typical radiographic pattern caused as the result of inhalation of silica parti...

Purpose: This article is an organology study and a report on the exploration development process of traditional musical instrument called Pele Vatwam. Research Methods: this uses qualitative descriptive method. Results Discussion: has its own uniqueness, basic material for making from natural flat andesite stones located coast Telutih bay, are collected tuning tone through tuner application wit...

In recent years, the use of natural stone, especially in construction sector, has increased as a result rapid economic development. One most important cost parameters stone cutting processes is energy costs. Generally, cut granites with block cutters differ from other rocks terms both machines used and consumed. Increases prices emission reduction requirements require to work efficiently. This ...

ANATOMY has been considered to have had its beginning in the Egyptian practice of embalming the dead, and indeed the practice of preserving dead bodies from corruptioni could hardly fail to excite some interest in the structure of the humanl body. But little real anatomy could have been acquired by this means, for the ceremonies of embalming, as told by Herodotus (c. 400 B.C.) and Diodorus Sicu...

Several occupational hazards, especially exposure to silica, have been implicated as causal factors for the development of scleroderma-like disorders. Compared to other connective tissue disorders, silica-associated systemic sclerosis (SA-SS) is relatively rare. Silica-induced scleroderma is indistinguishable from idiopathic systemic sclerosis. However, the former expresses a high predispositio...