{"id":"b13-2018-czerwiec-egzamin-zawodowy-pisemny/zad/30","paper_id":"b13-2018-czerwiec-egzamin-zawodowy-pisemny","number":"30","points":null,"ptype":"closed","subject":"b13","category":"egzamin-zawodowy","year":2018,"month":"czerwiec","level":null,"text":"Zadanie 30.\nDo zagęszczania masy betonowej służą\nA. kafary.\nB.\nwozidła.\nC.\nigłofiltry.\nD. wibratory.","answer":null,"answer_text":null,"solution":null,"image":"img/b13-2018-czerwiec-egzamin-zawodowy-pisemny/zad-30.webp","solution_image":null,"topics":null,"page_from":7,"source":"ocr","answer_source":null,"answer_text_source":null,"solution_source":null,"text_source":"ocr","source_label":"B13 · Egzamin zawodowy · czerwiec 2018","subject_label":"b13","category_label":"Egzamin zawodowy","text_html":"<p>Zadanie 30.<br>Do zagęszczania masy betonowej służą<br>A. kafary.<br>B.<br>wozidła.<br>C.<br>igłofiltry.<br>D. wibratory.</p>","solutions":[]}