Linki: https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=14&ved=2ahUKEwiZ4deHiproAhVNlYsKHd2mBh8QFjANegQIAhAB&url=http%3A%2F%2Fwww.tb.resman.pl%2Fbud%2Ftechnikum%2F11.pdf&usg=AOvVaw3PZLM58Ou0dlKyMwvRvIuY https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=17&cad=rja&uact=8&ved=2ahUKEwiZ4deHiproAhVNlYsKHd2mBh8QFjAQegQICBAB&url=http%3A%2F%2Fmaterialy.wb.pb.edu.pl%2Fbeatasadowska%2Ffiles%2F2017%2F12%2FRTiGI-W5.pdf&usg=AOvVaw0n2-TYApCh4o4mLsxPNmpz http://www.instsani.pl/19/vademecum-instalacji-sanitarnych http://www.instsani.pl/23/vademecum-energetyki-odnawialnej