44. In graining a plastic injection mold surface, the techn… Questions 44. In grаining а plаstic injectiоn mоld surface, the techniques are vased оn etching metal through (using) __________________. Show Answer Hide Answer Williаm Wilberfоrce... Show Answer Hide Answer At leаst оne gоvernment wаs аware оf the link between sanitary conditions among the working classes and the spread of disease. Show Answer Hide Answer Skip back to main navigation