heavily congestedheavily dependent onheavily implyheavily indebted poor countriesheavily involved inheavily loadedheavily pregnantheavily sanctionedheavily tradedheavily travelledheavily weightedheavinessheavingheaving lineheaviside step functionheavyheavy accentheavy aircraftheavy aromaticsheavy artilleryheavy as a dead donkeyheavy as leadheavy attackheavy bagheavy bookheavy breedheavy brownheavy burdenheavy busheavy casualtiesheavy causticheavy coatheavy coldheavy creamheavy cubboardheavy demandheavy derrickheavy doseheavy downpourheavy drinkerheavy drinkingheavy dusty offset diskheavy dutyheavy duty carheavy duty class 8 trucksheavy duty materialsheavy duty truckheavy eaterheavy eatingheavy equipment
