Some companies such as Topdeck Travel were set up to specifically use buses to drive the hippie trail or travel to places like north Africa.

Some couples hire preserved buses for their wedding transport instead of the traditional car.

Some public authorities, police forces and military forces make use of armoured buses where there is a special need to provide increased passenger protection.

Some buses, while not economical to keep running as service buses, are often converted in some way for use by the operator, or another user, for purposes other than revenue earning transport.

Some large operators also converted retired buses into tow bus vehicles, to act as tow trucks.

Some organisations adapt and operate playbuses or learning buses to provide a playground or learning environments to children who might not have access to proper play areas.

Some buses meet a destructive end by being entered in banger races or at demolition derbys.

Some lines have 3 or 4 buses.

Some first class bus operators ( such as Litegua between Guatemala City and Puerto Barrios, Fuente del Norte between Guatemala City and Flores, and Monja Blanca to Cobán ) run safe, modern air-conditioned buses for longer distances.

Some microcontrollers use a Harvard architecture: separate memory buses for instructions and data, allowing accesses to take place concurrently.

Some vehicles, such as some transit buses, do not already have an electric motor but use a secondary " retarder " brake that is effectively a generator with an internal short-circuit.

Some 30 years later, in 2002, legislation was passed to make the local buses free of fares to all riders, leading to a large increase in ridership ; the buses are financed through Chapel Hill and Carrboro city taxes, Federal grants, and UNC student fees.

Some routes continue to travel through the night and on Shabbat providing transport needs to the population when normal buses services cease.

Some buses call at stops by the side of the station on Waterloo Road, others at Tenison Way, a short distance from the Victory Arch.

Some metered ramps have bypass lanes for high-occupancy vehicles, allowing carpoolers and buses to skip the queue and get directly on the highway.

Some parts of the route are on bus lanes, specifically built for buses to travel faster.

Some have low overpasses that also exclude buses.

Some systems use the letter B for buses, and T for trams.

* Some of the buses operated by Veolia are designed to serve Israeli settlements ; these are the lines 109, 110, 7 and 19.

Some examples of such low-cost serial buses include SPI, I²C, UNI / O, and 1-Wire.

Some buses and trains with straight engines have their engines mounted with the row of cylinders horizontal.

Some types of buses allow only one device ( typically the CPU, or its proxy ) to initiate transactions.

Some drugs cause cells to undergo apoptosis ( so-called " self-programmed cell death ").

Some cytokines, such as Fas ligand, are used as " death " signals ; they cause target cells to undergo programmed cell death or apoptosis.

Some fungi, such as the pathogenic yeast Candida albicans, can undergo phenotypic switching and grow as single cells in some environments, and filamentous hyphae in others.

Some insects, amphibians, molluscs, crustaceans, Cnidarians, echinoderms and tunicates undergo metamorphosis, which is usually accompanied by a change of habitat or behavior.

Some hotels, resorts, and even cruise ships across America, Europe and Israel also undergo a thorough housecleaning to make their premises " kosher for Pesach " to cater to observant Jews.

Some kinds of exoskeletons undergo periodic moulting as the animal grows, as is the case in many arthropods including insects and crustaceans.

Some rubies undergo a process of low tube heat, when the stone is heated over charcoal of a temperature of about 1300 ° C ( 2400 ° F ) for 20 to 30 minutes.

Some of these captives were even forced to undergo human sacrifice under some tribes, such as the Aztecs.

Some proteins undergo ALL of these modifications, often in time-dependent combinations, aptly illustrating the potential complexity one has to deal with when studying protein structure and function.

Some women undergo vaginoplasty or labiaplasty procedures to alter the shape of their vulvas to meet personal aesthetic standards.

Some of them undergo ritual castration, but the majority do not.

Some reptile species are said to brumate, or undergo brumation, but the connection to this phenomenon with hibernation is not clear.

Some of the electrons will undergo inelastic scattering, which means that they lose energy and have their paths slightly and randomly deflected.

Some women undergo hymenoplasty, a restoration of their hymen for this reason.

Some females who have been previously sexually active ( or their hymen has been otherwise damaged ) may undergo a surgical procedure, called hymenorrhaphy or hymenoplasty, to repair or replace her hymen, and cause vaginal bleeding on the next intercourse as proof of virginity ( see below ).

Some of his individual songs ( he wrote more than 60 ) were occasionally included in vocal recitals ; referring to " the strange songs of Fritz Delius ", The Times critic expressed regret " that the powers the composer undoubtedly possesses should not be turned to better account or undergo proper development at the hands of some musician competent to train them ".

Some escape and others undergo radiative capture.

Some of them will be directly posted to a military unit while others may undergo vocational training at certain institutes before being posted to units.

Some may undergo further specialized training, such as in cardiology or oncology.

Some courses that are attempting to get into the rotation for the U. S. Open will undergo renovations to develop these features.

Some oversight organizations require auditors and audit firms to undergo a third-party quality review periodically to ensure the applicable GAAS is followed.

Some populations undergo an extensive molt migration while others remain on or near breeding grounds.

Some Hijras undergo an initiation rite into the hijra community called nirwaan, which refers to the removal of penis, testicles and scrotum.

Some species, particularly those from temperate regions, undergo diapause, where development is delayed during the winter months.