Sorry, "occupational-safety-and-health-administration-osha" is not in the Dictio...
Sorry, "knowledge-of-results-kr-kor" is not in the Dictionary of Psychology. Ple...
ulcer n. an erosion of a tissue surface, such as the mucosa...
animal vocalization any call or sound produced by a nonhuma...
mastery play play that leads to mastering new skills, such...
MCL abbreviation for most comfortable loudness.