Silica may not be a word you commonly hear associated with diet (or foods that prevent hair loss, for that matter). If youâre looking to promote hair growth and prevent hair loss, however, silica will need to be on your menu.
keystone-the central building block at the top of an arch or vault. headstone, key. arch - (architecture) a masonry construction (usually curved) for spanning an opening and supporting the weight above it. building block-a block of material used in construction work.
3) The Blueprint is the keystone used as the lighthouse who must guide the whole project. A blueprint should never be a merely mapping of IT systems. In fact a blueprint is bringing the strategy of a company into execution through defining its processes across all business areas.