For this reason, the interlock protocol cannot be effectively used to provide authentication, although it can ensure that no third party can modify the messages in transit without detection.

The bones are fully ossified and the vertebrae interlock with each by means of overlapping processes.

The piles could also be joined together by mortise and tenon, or large holes cut to carefully accept specially shaped timbers designed to interlock together and provide structural rigidity.

Forests are differentiated from woodlands by the extent of canopy coverage: in a forest, the branches and the foliage of separate trees often meet or interlock, although there can be gaps of varying sizes within an area referred to as forest.

In sound-on-disc technology from the era, a phonograph turntable is connected by a mechanical interlock to a specially modified film projector, allowing for synchronization.

* Production and capital cost: it was generally less expensive to record sound onto disc than onto film and the exhibition systems — turntable / interlock / projector — were cheaper to manufacture than the complex image-and-audio-pattern-reading projectors required by sound-on-film

The film was originally released with a conventional optical soundtrack in April 1953, but the success of the film convinced the producers to re-mix the soundtrack in May with a new three-track, stereophonic soundtrack, which was recorded and played on a 35mm magnetic full coat reel installed by Altec, in interlock on another dubber in the projection booth.

The best snow to use for this purpose is snow which has been blown by wind, which can serve to compact and interlock the ice crystals.

The " pallet wide " containers are about wider than standard containers to accommodate for Euro-pallets common in Europe These containers feature an internal width of 2440 mm for easy loading of two 1200 mm long pallets side by side – many sea shipping providers in Europe allow these as overhangs on standard containers are sufficient and they fit in the usual interlock spaces ( with the same floor panel the side ribs of pallet-wide containers are embossed to the outside instead of being molded to the inside ).

An interlock ensures that the spring on the shaft rotates it to home ( angular ) position before it drops ( by gravity ) to home.

The operation of single interlock systems are similar to dry systems except that these systems require that a “ preceding ” fire detection event, typically the activation of a heat or smoke detector, takes place prior to the “ action ” of water introduction into the system ’ s piping by opening the pre-action valve, which is a mechanically latched valve ( i. e., similar to a deluge valve ).

The primary method of feeding is by suction, during which their rakers interlock to close the gill slits.

This interlock option is referred to as compulsory monitor before transmit ( the user is forced to monitor by the equipment design.

The beachgrass grows runners under the surface of the sand that interlock into a ropelike network, and actually builds the dune by trapping sand.

A makeshift whisk may be constructed by taking two forks and placing them together so the tines interlock and make a cage.

Sarah Longwell, a spokeswoman for the American Beverage Institute, responded to MADD's desire to legislate breathalyzers into every vehicle in America by stating " This interlock campaign is not about eliminating drunk driving, it is about eliminating all moderate drinking prior to driving.

Effective July 1, 2012, anyone who is convicted of DUI may drive only with an ignition interlock after the first offense, as a condition of a restricted license and is required to have an ignition interlock installed in each vehicle owned by or registered to him after a second offense.

Thus the vertebrae of snakes articulate with each other by eight joints in addition to the cup-and-ball on the centrum, and interlock by parts reciprocally receiving and entering one another, like the mortise and tenon jointery.

In some granulites they interlock, with irregular borders ; in others they have been drawn out and flattened into tapering lenticles by crushing.

High-quality joints can be formed, either by electromagnetic pulse crimping with a mechanical interlock or by electromagnetic pulse welding with a true metallurgical weld.

Canadian contractor Werner Gregori filed the first patent for a foam concrete form in 1966 with a block measuring 16 inches high by 48 inches long with a tongue-and-groove interlock, metal ties, and a waffle-grid core.

When the outer bracts meet, they form the ostiole by interlock.

Pericytes can also form direct connections with neighboring cells by forming peg and socket arrangements in which parts of the cells interlock, similar to the gears of a clock.

Before the PLC, control, sequencing, and safety interlock logic for manufacturing automobiles was accomplished using hundreds or thousands of relays, cam timers, drum sequencers, and dedicated closed-loop controllers.

New cars sold in the United States in 1974 and the first part of the 1975 model year were sold with a special " ignition interlock ", whereby the driver could not start the car until the seat belt was fastened ; however, this system was short-lived.

* Synchronization: no interlock system was completely reliable, and sound could fall out of synch due to disc skipping or minute changes in film speed, requiring constant supervision and frequent manual adjustment

) The left pedal applied the power and the heel interlock had to be engaged at all times since it was the deadman ; only when the brake was in " park " could the deadman be disengaged.

On automatic transmission vehicles, a shift interlock, which needs the service brake to be applied before the transmission can be taken out of the park position, as well as a low-oil-level light was added.

Also new for 1974 was a federally mandated interlock system that required the driver and front-seat passenger to fasten their seat belts in order to start the car.

In 2000, an interlock was added to prevent shifting from Park unless the brake was pressed ; and tether anchors were added to the rear shelf for child seats.

The interlock was met with such a major public outcry that Congress rescinded the interlock regulation in late 1974 after a few early 1975 models were so equipped, permitting owners of all 1974 and the early 1975 models equipped with the interlock system to legally disconnect it.

A starter interlock was added to models with manual transmissions, while automatic transmissions gained " adaptive " shift logic.

The shifter was joystick-shaped and had a thumb trigger interlock and " on-demand " four-wheel drive button.

In 2010, she was quoted saying of MADD: " I think they're moving in the right direction ", and supporting ignition interlock devices for drunk driving convicts.

A-jacks ( used in erosion control walls and sea walls ) are highly stable, concrete 6-pronged armor units designed to interlock into a flexible, highly permeable matrix.

An Exception: High-frequency ( HF ) transceiver equipment is normally not designed with an interlock between receiver squelch and transmitter on-off key.

A reactor fitted with both safety features-if designed to constructively interact-is an example of a safety interlock.

The keys are attached to the keyboard via two plastic pieces that interlock in a " scissor "- like fashion, and snap to the keyboard and the key.

Modern pressure cookers typically have two or three redundant safety valves and some additional safety features, such as an interlock lid that prevents the user from opening the lid when the internal pressure exceeds atmospheric pressure, preventing accidents from a sudden release of hot liquid, steam and food.

In two counties, Los Angeles and Alameda, first offenders convicted of drunk driving are required to install an ignition interlock device in their car for a period of five months.

There are two main sub-types of pre-action systems: single interlock, and double interlock.

It comprises only four individual parts: the two forks ( a. k. a. yokes, one driving and one driven ) and the two semi-spherical sliding pieces ( one called male or spigot swivel and another called female or slotted swivel ) which interlock in a floating ( movable ) connection.

A disadvantage of the multilayer interlock equipment is that due to the conventional sinusoidal movement of the yarn carriers to form the preform, the equipment is not able to have the density of yarn carriers that is possible with the two step and four step machines.

* Interlocking saddle notch: Normally seen on D-or full-round profiles, where a notch is cut into the top of one log and the bottom of another ; these two logs then interlock, creating a tightly-sealed corner.

The two pivoting blades interlock each other.

For example, if only one of two sources of supply are permitted to be connected at a given time, the interlock scheme may require that the first switch must be opened to release a key that will allow closing the second switch.