metallides ja metallisulmites jt materjalides (nt betoon) vedelast olekust tardumiskahanemisel moodustunud pragu (vt tardumiskahanemine; vrd kristallumispragu), cracks that form in metals or other materials (e.g. concrete) as a result of pulling apart of grains by contraction before complete solidification (see: solidification shrinkage; compare: hot tear)
