• law of constancy of interfacial angle

आंतर:    inner internal intra

फलक:    face tablet paddle slab pane facet side sheet

फलक कोण:    face angle facial angle

कोण:    angle corner dip nook Angle angle valve drum

स्थिरता:    dead pan fixedness substantiality despatch

स्थिरता नियम:    low of constancy principle of constancy

नियम:    Institutes precentor tenet provision theory