Related Articles. The Occupational Safety and Health Administration (OSHA) is a federal agency, a division of the Department of Labor. The Occupational Health and Safety Act, the law that founded OSHA in 1970, guarantees Americans their right to working environments free of hazards that may affect their well-being. OSHA creates the standards that safeguard these rights.
SERTOMA International is the âparent organization,â which provides local and collegiate organizations with bylaws. SERTOMA International's primary service project is assisting the more than 50 million people with speech, hearing and language disorders.
Morphology. Diatoms are algae with distinctive, transparent cell walls made of silicon dioxide hydrated with a small amount of water (Si02 + H20).Silica is the main component of glass and hydrated silica is very like the mineral opal, making these algae, often called algae in glass houses more like algae in opal houses.iatoms have been placed in the division Bacilliariophyta, which is distinguished by the presence of an inorganic cell wall composed of hydrated silica. There are an estimated 20,000 to 2 million species of diatom on Earth.