7 Floating light and heavy machines, namely, dredging machines, earth moving machines, mine working machines, drilling machines, tunnel boring machines, roadbuilding machines, loading and unloading machines, hoisting machines; light and heavy machinery, namely, dredging machines, earth moving machines, mine working machines, drilling machines, tunnel boring machines, roadbuilding machines, loading and unloading machines, hoisting machines, wheel loaders, tiling machines for agriculture, combine harvester, timber harvesting machinery; floating cranes; cranes; floating excavating machines; excavator machines; floating operator cabs for excavator machines, cranes and light and heavy machinery and equipment in the nature of dredging machines, earth moving machines, mine working machines, drilling machines, tunnel boring machines, roadbuilding machines, loading and unloading machines, hoisting machines; operator cabs for excavator machines, cranes and light and heavy machinery and equipment, namely, dredging machines, earth moving machines, mine working machines, drilling machines, tunnel boring machines, roadbuilding machines, loading and unloading machines, hoisting machines, wheel loaders, tiling machines for agriculture, combine harvester, timber harvesting machinery; operator cabs for amphibious vehicles; detachable cabs for amphibious vehicles; detachable cabs for excavator machines, cranes and light and heavy machinery and equipment, namely, dredging machines, earth moving machines, mine working machines, drilling machines, tunnel boring machines, roadbuilding machines, loading and unloading machines, hoisting machines, wheel loaders, tiling machines for agriculture, combine harvester, timber harvesting machinery; floating detachable cabs for amphibious vehicles; floating detachable cabs for excavator machines, cranes and light and heavy machinery and equipment, namely, dredging machines, earth moving machines, mine working machines, drilling machines, tunnel boring machines, roadbuilding machines, loading and unloading machines, hoisting machines