a photofacial laser treatment involves a series of intense pulsed light ipl from a luminus laser treatments are targeted at improvement of photoaging rosacea melasma and facial lentigines brown spots on face due to age or sun exposure
return to top. Civil engineers plan, design, construct and maintain structures â such as buildings, roads, bridges and dams â that meet human needs. return to top. Sustainable green design engineers comply with the principles of economic, social, and ecological sustainability in their design of physical objects.
They may also be responsible for the buildings and structures associated with the project, such as dams or power plants. A civil engineer might freelance or work for an architectural firm or a government agency. However, before beginning work, civil engineers must undergo an extensive education and training program.