heavy dependence heavy door heavy doors heavy dose heavy doses heavy downpour heavy downpours heavy drinker heavy drinkers heavy drinking heavy drug heavy duty heavy duty applications heavy duty construction heavy duty diesel heavy duty plastic heavy duty trucks heavy duty vehicles heavy duty work heavy economic heavy element heavy elements heavy emotional heavy emphasis heavy end heavy ends heavy enemy heavy engineering heavy equipment heavy equipment operator heavy equipments heavy exercise heavy fall heavy favorite heavy favorites heavy feeling heavy fighter heavy fighting heavy financial heavy fine heavy fines heavy fire heavy firepower heavy flooding heavy flow heavy focus heavy fog heavy food heavy foods heavy foot heavy footsteps heavy for its size heavy fraction heavy freight heavy french heavy frost heavy fuel heavy fuel oil heavy furniture heavy gauge heavy gear heavy german heavy glass heavy gloves heavy going heavy goods heavy goods vehicle heavy goods vehicles heavy guard heavy gun heavy gunfire heavy guns heavy guy heavy hand heavy handed heavy haul heavy haulage heavy head heavy heart heavy heart i heavy hearts heavy hitter heavy hitters heavy horse heavy hydrocarbon heavy hydrocarbons heavy hydrogen heavy ice heavy impact heavy industrial heavy industries heavy industry heavy infantry heavy influence heavy investment heavy investments heavy ion heavy ions heavy iron