X-rays are produced by the collision of a beam of electrons with a metal target in an x-ray tube. Called also roentgen rays. The penetrability and hardness of the x-rays increases with the voltage applied to the x-ray tube, which controls the speed with which the electrons strike the target.
Usually, when older people refer to hooking up, theyâre talking about sex, but thatâs not always true. It could also mean oral sex, kissing and feeling each other up, or just plain olâ making out. You should just decide what you want hooking up to mean to you.The next time you tell your friends what you did with a guy, go into specifics (as long as you feel comfortable), and they wonât think you did anything more than you did.sually, when older people refer to hooking up, theyâre talking about sex, but thatâs not always true. It could also mean oral sex, kissing and feeling each other up, or just plain olâ making out. You should just decide what you want hooking up to mean to you.
Hook flash. Hook flash or flash (known in the UK as recall) is a button on a telephone that simulates quickly hanging up then picking up again (a quick off-hook/on-hook/off-hook cycle). This action can signal the telephone exchange to do something. A common use of a hook flash is to switch to another incoming call with the call waiting service. Another use is to indicate a request for voice conferencing, for example, a user may use a procedure like the following to initiate three-way calling: Pick up phone handset (causing the line to be off-hook). Hear a dialtone