Facilitation payments are occasionally demanded by customs due to cumbersome and costly customs procedures. The bureaucratic process is cumbersome and arbitrary. They replaced old-fashioned, paper-based methods that tended to be both cumbersome and inefficient. However, the fiscal arrangements were seen as both cumbersome and inflexible. Far-infrared spectrophotometers were cumbersome, slow and expensive. The fuse mechanisms for the above devices were cumbersome and unreliable. This was a cumbersome and time-consuming process. Even with this cumbersome approach, subroutines proved very useful. Counting them among the planets became increasingly cumbersome. Barriers include quotas, fees, long and cumbersome paperwork, and discrimination by employers. This method made for extremely cumbersome maintenance. It is equivalent to the somewhat more cumbersome Gauss's principle of least constraint. The machine proved much too cumbersome and was abandoned. However, common criticisms included lack of innovation and cumbersome camera controls. This tends to make the chair more cumbersome.