Bump keys are keys cut to a special design that will allow them to be used for picking pin-tumbler locks. Pin-tumbler locks are the world's most popular lock, and these include exterior door entry locks for homes. The process of gaining entry using a bump key is called âbumping,â and it can be very effective.
1 An oncogene may cause a cell to secrete growth factors even though it does not normally do so. 2  It will thereby induce its own uncontrolled proliferation (autocrine loop), and proliferation of neighboring cells. 3  It may also cause production of growth hormones in other parts of the body.
They encourage the proliferation of bifida, a very important kind of bacteria. That cells, still retaining the same nature, increase by self-division or proliferation, is admitted by almost every one. The 70s witnessed a proliferation of multilateral assistance programs. The gonads originate by proliferation of the anterior wall of the pericardium.