Minimal - literal meanings; getting at or possessing a relatively small elevation or upward extension; "small ceilings"; "small clouds"; "very low hills"; "the Sunlight is low"; "low furniture"; "a small bow" deep - owning excellent spatial extension or penetration downward or inward from an outer area or backward or laterally https://elites01110.blogdigy.com/the-definitive-guide-to-pile-foundation-engineering-bangladesh-54119773