Oxygen is one of the most important products in chemical industries. This chemical element is used in various processes such as: refinery industries, manufacturing metal and other industrial operations. For instance, oxygen with high purity is utilized in different chemical processes like: steel construction, paper industries, wastewater treatment and glass production. In 1907, oxygen was produ...

Used oil has been classified as hazardous wastes by the Ministry of Environment and Forests, Government of India which demands its proper management to avoid serious threat to the environment and for economic gains. Used oil could be recovered or reprocessed and reused as base oil thus saving the use of virgin oil. This paper presents an assessment of the used oil generation and management prac...

The development of a country depends on industrialization and agricultural production. Due to this number of industries and factories like metal industries, dyeing, fertilizers, painting industries are coming continuously which creates severe environmental pollution especially water problem should be created and also cause global warming. To controlling of environmental pollution is very big ch...

dumbells, barbells, and other early resistance apparati in unexpected Halteres varied greatly in appearance and composition during the era modern historians refer to as Ancient Greece. Accordplaces. In some instances, the printed references were surprising because of the early date at which they were published. In other ing to John Blundell’s The Muscles and Their Story, published in 1864, the ...

We analyzed blood lead (PbB) level from the 2003 health surveillance results of 13,043 lead workers from 1,217 total lead industries to evaluate lead intoxication at low level in Korea. Geometric mean of PbB was 6.08 microg/dl and 56.6% and 7.9% of total lead workers had PbB level over than 5 microg/dl and 25 microg/dl, respectively. Male showed relatively higher PbB level compared to women, bu...