Although portable vacuum tube radios were produced, they were typically bulky and heavy. Conveyors are especially useful in applications involving the transportation of heavy or bulky materials. These are rather bulky and expensive instruments which are generally found in hospitals. It is weatherproof without being overly bulky. Subsequent respirators were reusable but bulky and uncomfortable. Early scanners were slow, bulky, and expensive. In the past, modular synthesizers were often bulky and expensive. Steam power was heavy and bulky and required lengthy warmup times. Compared to modern machine guns, the Maxim was heavy, bulky, and awkward. LCD screens have replaced heavy, bulky cathode ray tube (CRT) displays in nearly all applications. I found it easier than drawing that bulky old thing. They were fairly bulky, and not particularly reliable. Distannynes only exist for extremely bulky substituents. Timber is a very bulky and not a particularly valuable cargo. It is well muscled and less bulky than most other Mastiff breeds.