234. underwrite underwrote underwritten alla kirjutama, allkirjaga tagama; garanteerima, kinnitama; kindlustuspoliisile alla kirjutama 235. undo undid undone olematuks tegema, tühistama, kustutama, hävitama; tagasi võtma, ennistama; kaotama 236. unwind unwound unwound lahti mähkima, kerima; (kera) lahti hargnema; lõtvuma, lõõgastuma, pingest vabanema 237. uphold upheld upheld ül(ev)al, püsti hoidma; toetama, pooldama, kinnitama (otsust) 238. upset upset upset ümber paiskama, endast välja viima,
back. The latter cat's tail was described as spring-loaded, quickly returning to its curled position if the tail is straightened by hand during petting. This led to a suggestion that the trait was associated with grey cats. A red tabby male from Missouri was reported to have a cute pigtail generally held curled up and over his back in a large perfect loop. His littermates had normal tails. His tail sometimes unwound to lie flat on his back or was held in a more conventional unwound posture during play. As the cat aged, the tail was held curled more often, suggesting a gradual loss of flexibility. The owner stressed that this caused the cat no discomfort. A cream tabby female developed her curly tail relatively late in life. She apparently had a near normal tail until she reached 8 or 9 months old, after which it became progressively more curled, forming an up- and-over curl with the tip resting on her left flank. This again suggested a loss of flexibility as the cat aged
moving parts. Attach the wear sensor 18 Apply the footbrake hard several times to 9 Using a piece of flat wood, a tyre lever or connector to the bleed screw clip (where position the pads against the disc and then similar, push the piston squarely into its bore. applicable), and reconnect it. check and top-up the fluid in the master This is necessary in order to accommodate 13 Where the cable has become unwound, cylinder reservoir. the new thicker pads when they are fitted. loosely coil the surplus wire so that slack is 19 Fit the roadwheel(s) and lower the vehicle. 10 Depressing the piston will cause the fluid taken out, yet enough flexibility (25 mm) is still 20 Avoid heavy braking (if possible) for the level in the master cylinder reservoir to rise, so allowed for pad wear. The coiled wire must on first hundred miles or so when new pads have
the first system of military cryptography. As early as the fifth century B.C., they employed a device called the "skytale," the earliest apparatus used in cryptology and one of the few ever devised in the whole history of the science for transposition ciphers. The skytale consists of a staff of wood around which a strip of papyrus or leather or parchment is wrapped close-packed. The secret message is written on the parchment down the length of the staff; the parchment is then unwound and sent on its way. The dis- connected letters make no sense unless the parchment is rewrapped around a baton of the same thickness as the first; then words leap from loop to loop, forming the message. Thucydides tells how it enciphered a message from the ephors, or rulers, of Sparta, ordering the too-ambitious Spartan prince and general Pausanius to follow the herald back home from where he was trying to ally himself with the Persians, or have war declared against him by the Spartans
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