A torn retina could be more likely to lead to a detachment if you are nearsighted or you recently had cataract or other eye surgery. Tractional retinal detachment happens when scar tissue or other tissue grows on your retina and pulls it away from the layer underneath. It can lead to serious vision loss.
Answers.comÂ® is making the world better one answer at a time. 'Vertical Construction' is a collaborative working environment that combines multiple disciplines & trades into a single source / resource - the goal being to efficiently and effectively manage complex projects from concept to completion in a timely manner and to mitigate conflicts.
Masonry consists of building structures by laying individual masonry units (brick, concrete block, stone, etc). Normally the masonry units are laid with cement mortar, which binds them together to create a structure. Masonry construction can provide beautiful walls and floors at economical prices. Due to the individual masonry units, masonry construction tends to be quite labor intensive. Because of the cement, clay or stone nature of the masonry materials, masonry construction tends to be durable and often requires little maintenance. An excellent introduction to the basics skills and concepts of masonry work is found in the US Navy Builder Training Course Volume #1.