If the oxygen pressure in the cabin drops below a safe level, risking hypoxia, compartments containing the oxygen masks will open automatically, either above or in front of the passenger and crew seats, and in the lavatories.

If tear gas or other riot control agents are to be used, gas masks may also be worn.

If the oxygen pressure in the cabin drops below a safe level, risking hypoxia, compartments containing the oxygen masks will open automatically, either above or in front of the passenger and crew seats, and in the lavatories.

If three of these masks are collected in a row, Crash is given temporary invulnerability from all minor dangers.

If a manufacture of a CPU requires 35 exposure masks, that translates approximately into 35 x ( photoresist coating, exposure, development, main process step ( like etching, diffusion, metal filling ), photoresist stripping and / or polishing, and other possible steps ) plus additional steps before and after all processing.

If a decompression occurs, the panels are opened either by an automatic pressure switch or by a manual switch, and the masks are released.

If you were a man '' --

If she, Pamela, were being held responsible for his crimes, then hers must be the final act of expiation.

If someone were to drop a match in here, this place would go up like a haystack ''.

If the other pilots were worried, they did not show it.

If it were the enemy, tactically his position was correct.

If it were not for an old professor who made me read the classics I would have been stymied on what to do, and now I understand why they are classics ; ;

If it were not that I knew who it was I could have mistaken it for my Aunt so well did her clothes fit him.

If an automobile were approaching him, he would know what was required of him, even though he might not be able to act quickly enough.

If there were only darkness, all would be clear.

If there were only the mess, all would be clear ; ;

If these people were denied a voice ( do they have a moral right to a voice??

If we were creating a wholly new society, we could insist that our social, political, economic and philosophic institutions foster rather than hamper man ; ;

If living Jews were unavailable for study, the Bible was at hand.

If his scholarship and formal musicianship were not all they might have been, Mercer demonstrated at an early age that he was gifted with a remarkable ear for rhythm and dialect.

If she were not at home, Mama would see to it that a fresh white rose was there.

If the Stearns were not there, grace would be omitted.

If anything, the conservative Democrats were more opposed to Hearst than the Republicans.

If the hardships of the winter at Valley Forge were trying for healthy men, they were, of course, much more so for those not in good health.

If his circumspection in regard to Philip's sensibilities went so far that he even refused to grant a dispensation for the marriage of Amadee's daughter, Agnes, to the son of the dauphin of Vienne -- a truly peacemaking move according to thirteenth-century ideas, for Savoy and Dauphine were as usual fighting on opposite sides -- for fear that he might seem to be favoring the anti-French coalition, he would certainly never take the far more drastic step of ordering the return of Gascony to Edward, even though, as he admitted to the English ambassadors, he had been advised that the original cession was invalid.

If there were no West Berlin problem, imperialist quarters would have invented an excuse for stepping up the armaments race to try to solve the internal and external problems besetting the United States and its NATO partners.

If the new Soviet series has followed the general pattern of previous Russian tests, the shots were roughly half fission and half fusion, meaning a fission yield of 30 to 40 megatons thus far.

If the Hessian troops sent here willy-nilly by the Hessian Government to fight for England in the 1770's were mercenaries, what shall we call the UN troops sent to the Congo willy-nilly by their governments to fight for the United Nations??

If the UN troops are not mercenaries then the Hessians were not mercenaries either.

If he were to go with White, he would be out there two days, not just listening in the dark at some point between here and Papa-san, but moving ever deeper into enemy land -- behind Papa-san -- itself.

If there is a tie, we must consider the atoms at distance 2 from the stereocenter — as a list is made for each group of the atoms bonded to the one directly attached to the stereocenter.

If an atom A is double-bonded to an atom B, A is treated as being singly bonded to two atoms: B and a ghost atom that has the same atomic number as B but is not attached to anything except A.

If the soldier should die, one side is removed and kept for the army's official records, while the other side is left attached to the body.

If there is another functional group at a carbon, it may be named with the Greek letter, e. g., the gamma-amine in gamma-aminobutanoic acid is on the third carbon of the carbon chain attached to the carboxylic acid group.

If these ends could not be immediately achieved, then an international body attached to the League of Nations should enact and enforce legislation to protect workers and trade unions.

If there is no cell attached to the glass, there will be no interference.

If we acknowledge the fact that we only can measure a probability with some error of measurement attached, we still get into problems as the error of measurement can only be expressed as a probability, the very concept we are trying to define.

If the laces are not independently attached to the vamp, the shoe is known as a blucher shoe.

If consciousness exists apart from the body, which includes the brain, one is attached not only to the material world, but to a non-temporal ( spiritual ) world as well.

If the secondary coil is attached to a load that allows current to flow, electrical power is transmitted from the primary circuit to the secondary circuit.

If a member of the United States Army or Air Force earns multiple awards of the same medal, then instead of wearing a ribbon or medal for each award, he or she wears one metal representation of an " oak leaf cluster " attached to the appropriate ribbon for each subsequent award.

If laid out horizontally, a keyboard may be attached to the instrument to allow chords to be more easily played.

If visual doubles show similar properties, such as similar proper motion through space, trigonometric parallaxes, or radial velocities, this is evidence that they are gravitationally attached and form a binary system ; in this case, the visual double star is called a visual binary.

If the organ to which the placenta is attached is removable, such as a section of bowel, then the placenta should be removed together with that organ.

If a load is attached, this voltage can drive a current.

If these patterns can be named, the names can be attached to the associated nodes in the trained net.

If attached close to the wing root, it makes the stall gentle and progressive ; if attached near the wing tip, it encourages the aircraft to drop a wing when stalling.

If the group attached to the carbohydrate residue is not another saccharide it is referred to as an aglycone.

If the absorbing element does not have a temperature-dependent resistance, as is typical of normal ( non-superconducting ) metals at very low temperature, then an attached resistive thermometer can be used to measure the electron temperature.

If more storage was needed, additional disk resource computers could also be attached.

If the case settles, the parties might choose to enter into a stipulated judgment with the settlement agreement attached, or the plaintiff may simply file a voluntary dismissal, so that the settlement agreement is never entered into the court record.

If a dinghy is towed, an extra line with a loop in the end ( known as a lazy painter ) can be attached to a dinghy so that if the towing line breaks, there is a line to grab with a boat hook.

If the car is left unattended, this can lead to several risks: an explosive device may be attached to the car ; an electronic " bug " may be attached to the car ; the car may be sabotaged ; or city parking officials may simply tow away the vehicle or place a wheel lock on the tire.