Cement is one of the many constituents of concrete, part of the glue that holds the other materials together. Concrete is made by mixing cement, supplementary cementitious materials, water, fine aggregate (sand), coarse aggregate (gravel or crushed stone) with or without admixtures, reinforcement, fibres or pigments.oncrete is easily and readily prepared and fabricated in all sorts of conceivable shapes and structural systems. Its great simplicity lies in the fact that its constituents are ubiquitous and are readily available almost anywhere in the world 1.
Debulking is the reduction of as much of the bulk (volume) of a tumour as possible. It is usually achieved by surgical removal. It is also known as cytoreduction or cytoreductive surgery (CRS); cytoreduction refers to reducing the number of tumor cells.
Tubal ligation is surgery to close or block a woman's fallopian tubes so eggs released from the ovaries cannot enter the uterus and sperm cannot reach the egg. The procedure is done to prevent pregnancy.It is also called female sterilization surgery, or getting your tubes tied..The fallopian tubes may be closed by:1  Tying the tubes together. 2  Sealing them closed using a ring or clip.ubal ligation is intended to be a permanent form of birth control. However, some women may regret their decision and later wish to become pregnant. In these cases, surgery to reverse the procedure may be an option. This surgery is called tubal ligation reversal, tubal reanastomosis, or tubal reversal.