Penetration diving — involving entering caves or wrecks, or diving under ice — is therefore not " open water "" diving.

Penetration diving, where the diver enters a shipwreck is an advanced skill requiring special training and equipment.

In 1991 Tom Mount joined Dick and IANTD became the first to offer training programs in all aspects of Technical diving ( Advanced Nitrox, Deep Air, Technical Diver, Cave and Wreck Penetration, Normoxic Trimix, Trimix, Rebreathers, etc.

* Penetration diving

Penetration within the light zone presents greater hazards due to overhead and greater proximity of the wreck's structure, but because of the proximity of a visible exit point, and some amount of external light, those hazards are more manageable.

Penetration by the hardened, erect penis is additionally known as intromission, or by the Latin name immissio penis ( Latin for " insertion of the penis ").

# Alternatives to Penetration: Sufferers are often encouraged to explore sexual activity besides penetrative intercourse, which is often a major source of pain.

* Penetration is when the ulcer continues into adjacent organs such as the liver and pancreas.

Penetration pricing is a more suitable strategy in this case.

Penetration pricing is the pricing technique of setting a relatively low initial entry price, often lower than the eventual market price, to attract new customers.

Penetration pricing is most commonly associated with a marketing objective of increasing market share or sales volume, rather than to make profit in the short term.

Price Penetration is most appropriate where:

* Penetration pricing: If a merchant is trying to enter an established market, it may offer lower prices than existing brands.

Through-Canopy Penetration is similar to Canopy Destruct, but a sharp spike on the top of the seat, known as the " shell tooth ," strikes the underside of the canopy and shatters it.

One advantage of CPT over the Standard Penetration Test ( SPT ) is a more continuous profile of soil parameters, with CPTU data recorded typically at 2cm intervals.

This phenomenon is often referred to as the Orbital Penetration Effect.

" Penetration is a measure of brand or category popularity.

Penetration of the mouth by a penis is called fellatio.

Penetration of the vagina by the tongue of another is one of several forms of cunnilingus.

In his book Bullet Penetration, ballistics expert Duncan MacPherson describes a method that can be used to compensate for ballistic gelatin that gives a BB penetration that is off by several centimeters ( up to two inches ) in either direction.

MacPherson's Figure 5-2, Velocity Variation Correction to Measured BB Penetration Depth, can be used to make corrections to BB penetration depth when measured BB velocity is within ± 10 m / s of 180 m / s.

Penetration into the cell is through a caveolin vesicle.

* Pauline Murray is the lead singer of punk rock band Penetration

Penetration into the cytoplasm is mediated by a phospholipase A2 activity carried on the amino-terminal peptide of the capsid VP1 polypeptide.

Penetration test is a form of verification of the weakness and countermeasures adopted by an organization: a White hat hacker tries to attack an organization information technology assets, to find out how is easy or difficult to compromise the IT security.

image: gspnwrcrystal. jpg | Blade / Penetration Twins type of selenite crystal

Early in March, the 23rd Long Range Penetration Brigade was removed from Major General Orde Wingate's Chindit force, and was dispatched by rail from around Lalaghat to Jorhat, north of Dimapur, where they could threaten the flank of any Japanese attack on the base.

Hsu Yun also responded to the invitation of Dharma Master Nan T ' ung ( Penetration to the South ) to head another Dharma assembly at Lang Shan ( Wolf Mountain ) Monastery, where several thousand people from all over took refuge.

" Penetration and Impenetrability in Clarissa ," New Approaches to Eighteenth-Century Literature: Selected Papers from the English Institute edited by Philip Harth.

Penetration figures given for an armoured plate 30 degrees from the horizontal

* Penetration wounds, caused by an object such as a knife entering and coming out from the skin.

Penetration depths from 6. 5 inches to 17 inches are available for various applications and risk assessments.

Penetration of Ripuarian in everyday communication varies considerably, as does the percentage of Ripuarian speakers from one place to another.

* Dial M for Motherfucker ( aka Make Them All Eat Shit Slowly, aka New Album By Pussy Galore ) LP ( 1989, Caroline ; CD version contained five of the six tracks from Sugarshit Sharp, with a cover of Devo's " Penetration In the Centerfold " replacing " Yu-Gung "; reissued 1998 Matador Records / Mute Records with original vinyl contents only )

Penetration of the cryptographic module enclosure from any direction has a very high probability of being detected, resulting in the immediate zeroization of all plaintext CSPs.

* Leo Braudy, " Penetration and Impenetrability in Clarissa ," in New Aspects of the Eighteenth Century: Essays from the English Institute, ed.

Penetration is a punk rock band from County Durham, England formed in 1976.

Penetration in vacuum is dictated by mean free path, a measure of the probability of collision between electrons and matter, approximate values for which can be derived from Poisson statistics.

Penetration ( Pe ) is the degree to which an inhabitant is involved in the setting and consists of six incremental zones, ranging from onlooker to leader.

Further Peaceful Penetration patrols were conducted, this time with the objective of advancing the Australian 7th Infantry Brigades front by, and capturing the remainder of Monument Wood and " The Mound " ( spoil from a nearby railway cutting ).

The division remained active in Flanders from May to July, engaging in a process of informal but carefully planned raiding known as Peaceful Penetration.