heavy machinery

About a dozen men with heavy machinery can carry out this kind of mining.

They were fortunate that there was no heavy machinery left here.

As Dan and Brad ran out to help, she told them to bring several pieces of heavy machinery from the shed.

The clang of heavy machinery and the rasping noise of coal sliding on iron surfaces filled the air.

The heavy machinery was lost upon the road; but the four stone walls contained between them the wreck of the lighter plant.

The power most commonly employed to put heavy machinery in operation, is that supplied by water.