The phrase "a tangible indication of" is correct and usable in written English.
It can be used when referring to something that provides a clear and concrete sign or evidence of a particular situation or condition.
Example: "The increase in sales is a tangible indication of the effectiveness of our new marketing strategy."
Alternatives: "a concrete sign of" or "a clear evidence of".
South Australian premier Jay Weatherill "noted" Abbott's expressions of concern about workers in his state, but said: "I want a tangible indication of his sincerity, we will be putting some positive proposals to him, some specific programs and projects, some big infrastructure projects – he knows what they are".
Not only have kitchens been the focal point of most homes, but they have also been a tangible indication of social evolution in the United States for more than four centuries, said Nancy Carlisle, curator for Historic New England and creator of the exhibition, which opened here this month.
Their sumptuosity and richness are a tangible indication of Christianity's triumph.
The demise of Christianity and Crisis magazine, also thriving during this era is a tangible indication of how seriously the input of Stringfellow and others was taken by the mainlime churches.
"In general, I think a petition can attract the attention of news media because it's a very tangible indication of public interest," she told the BBC.
The record does give a more tangible indication of the effect of the publicity, however, in the hearing on the motion for change of venue.
But they offer the first tangible indication of what members of the third branch of government believe it takes to make preventive detention legal.
Another tangible indication of his achievement for Egypt is the enormous mosque, the Mosque of Ahmad ibn Tulun, which he erected in a suburb of Al-Fusṭāṭ that is now Cairo; in contrast, no building comparable in grandeur had even been contemplated by the governors who preceded him.
The workshop on Algorithms in Algebraic Geometry that was held in the framework of the IMA Annual Program Year in Applications of Algebraic Geometry by the Institute for Mathematics and Its Applications on September 18-22, 2006 at the University of Minnesota is one tangible indication of the interest.
2) Rutherglen & Hamilton West and Kirkcaldy & Cowdenbeath: 2am are the first tangible indication that we will get of Labour's fortunes in Scotland.
