Mn Repulsion Plate. Tasek 14% Manganese repulsion plate for Horizontal Shaft Impactor (HSI) crusher. Mn Impeller Bar. Tasek 14% Manganese impeller bar for concrete and demolition waste. Replacement parts for horizontal shaft impactor (HSI) crusher. Tasek Mn Liner Plate. 14% Manganese liner plate replacement wear parts for concrete and ...