The List of Conservation topics is a link page for the conservation of both the natural environment and the built environment. There are four sections so far:
... alveolars like t, but with the tongue curled back) (t, th, d, dh, n)
Dental (tongue against teeth, like Spanish) (t, th, d, dh, n)
Labial (with the lips[?]) (p, ph, b, ...