U-Shandong Tonda lomusho oluchapha lokusuka lokusebenza nge-coal kuyenza okuhlola ukusukela komlilo ngokwemvume, kusukela kokuthi imifanekiso yomlilo zikhululekile emibhaleni ezidingwayo, kusukela kokuthi umhlaba wemfana womlilo wesikhombisa kuwo wakhiwe. Umeshi we-polyurethane wenkululeko lihlukele amagama a-anti-clogging (3–50 mm) ukuze kuhlinyiswe okupheleleyo ukusuka komlilo owesikhombisa nokumdlula komlilo ngokubonakaleyo ngenqanawa yokungaphandle komlilo wemfana. Ukufakelwa kwefrekansi yesikhombisa (80–160 Hz) sikwenziwa ngokugcina nomncane wemlilo wakhiwe, ukuze kuhlonishwe okuphendulayo nokususa ukubuya komlilo wemfana. Ukusuka komlilo wakhiwe kubantu-bantfu besebe ≤40 mN/m nokunquma kwechemicals esingazixhasa kwezinto ezizikhombisiwe kwecoal zihlala izinsuku ezininzi e-mine ye-coal nokufakaza. Ngenxa yalokho, yakhiwe ngokuzenzakalelayo, uyathemba neziphumla ezimbili ezinethunya lokusebenza kwi-coal elitholakali. Lalela isicelo sethu ukubona amusho aloluveshi lokusuka lokusebenza nge-coal eziningi lokusebenza komlilo.