When oil prices spiked during the 1967 Oil Embargo, 1973 oil crisis, and 1979 energy crisis, Alberta's economy boomed.

When disaggregated, only petroleum and non-petroleum groupings showed different results: a country with relatively low levels of dependence on petroleum exports is at slightly less risk, while a high-level of dependence on oil as an export results in slightly more risk of a civil war than national dependence on another primary commodity.

When the process feed has a diverse composition, as in distilling crude oil, liquid outlets at intervals up the column allow for the withdrawal of different fractions or products having different boiling points or boiling ranges.

When wet, the oil tends to float to the surface of the roads making them very slippery and dangerous.

When the oil: water coefficient is high, there will be little anaesthetic in the blood, so elimination will be slow, giving a prolonged hangover effect.

When dried the oil would act as a semi waterproof weak filler / glue.

When using lower grade fuel, or worn engine the oil change interval has to shorten accordingly.

When the measured pressure is rapidly pulsing, such as when the gauge is near a reciprocating pump, an orifice restriction in the connecting pipe is frequently used to avoid unnecessary wear on the gears and provide an average reading ; when the whole gauge is subject to mechanical vibration, the entire case including the pointer and indicator card can be filled with an oil or glycerin.

When increasing concern within the company over the pricing and availability of fuel during the oil crisis of the 1970s became an issue of contention, smaller engines were considered in the interest of fuel economy.

When rubbed on the skin at the painful site, snake oil was claimed to bring relief.

When a turbopump is stopped, the oil from the backing vacuum may backstream through the turbopump and contaminate the chamber.

When the team debuted as the Oilers in 1960, the club's logo was an oil rig derrick.

When TrueType and the license to Microsoft was announced, John Warnock of Adobe gave an impassioned speech in which he claimed Apple and Microsoft were selling snake oil, and then announced that the Type 1 format was open for anyone to use.

When Dubai's oil exports commenced in 1969, Sheikh Rashid bin Saeed Al Maktoum, the ruler of Dubai, was also able to use oil revenues to improve the quality of life of his people.

When oil was discovered at the Maracaibo strike in 1922, Venezuela's dictator, Juan Vicente Gómez, allowed US oil companies to write Venezuela's petroleum law.

When oil is applied to the model surface it can clearly show the transition from laminar to turbulent flow as well as flow separation.

When some other important feast occurs on a weekday, such as the First and Second Finding of the Head of John the Baptist ( February 24 ), the Forty Martyrs of Sebaste ( March 9 ), etc., it is usually combined with the Lenten service, and wine and oil are allowed at the meal.

When cut or grated, however, enzymes from the damaged plant cells break down sinigrin ( a glucosinolate ) to produce allyl isothiocyanate ( mustard oil ), which irritates the sinuses and eyes.

When mature they still contain some water and can be used as seednuts or processed to give oil from the kernel, charcoal from the hard shell and coir from the fibrous husk.

When cooking leaner meats, oil is often applied to the pan ridges to aid in food release.

When Monte Carlo simulations have been applied in space exploration and oil exploration, their predictions of failures, cost overruns and schedule overruns are routinely better than human intuition or alternative " soft " methods.

When his eyes began to focus, he saw Jess charging at him with a pitchfork.

When he was eight he began violin lessons.

When Johnny Mercer and Harold Arlen began their collaboration in 1940, Mercer, like Arlen, had several substantial film songs to his credit, among them `` Hooray For Hollywood '', `` Ride, Tenderfoot, Ride '', `` Have You Got Any Castles, Baby??

When Thompson and her daughter began a correspondence which included fervent verses from Pantasaph, Mrs. King felt a proper Victorian alarm.

When the young biologist, Dr. Ballard, began to show interest in our daughter Elizabeth, this induced a corresponding interest, on our part, in him.

When the negotiations began, his quarrel with the king of France was temporarily in abeyance, and he had no intention of reviving it so long as there was hope that French money would come to pay the troops who, under Charles of Valois, the papal vicar of Tuscany, were so valuable in the crusade against the Colonna cardinals and their Sicilian allies.

When the algae began to build up again, the effluent BOD rose.

When the Korean war began, on June 25, 1950, the anniversary of the day Custer had gone down fighting at the Little Big Horn and the day the regiment had assaulted the beachhead of Leyte during World War 2,, the 7th Cavalry was not in the best fighting condition.

When the winter tour began at Los Angeles last January there was no one in sight to challenge Palmer's towering prestige.

When dam construction began in 1933, fewer than 600 boats used these waters ; ;

When a fisherman brought her up in his arms, still, small, as if she were a child asleep, I began to shudder with a terrible excitement, almost triumphant, that I still cannot account for.

When it became apparent that Johnson would lose his seat, an effort began by ally George W. Jones to put forward Johnson's name for governor.

When people started to study scientifically how to fly, people began to understand the basics of air and aerodynamics.

When blacks began singing adapted versions of these hymns, they were called Negro spirituals.

When the North Tower was struck at 8: 46 a. m., many executives began evacuating their employees from the upper floors of the South Tower.

When Sultan Murad V began to show signs of paranoia, madness and continuous fainting and vomiting even on the day of his coronation and threw himself into a pool yelling at his guards to protect his life, they were afraid the public would become outraged and revolt to bring the former Sultan back.

When emulators of 1980s video game consoles began to appear on home computers in the late 1990s, the Atari 7800 was one of the last to be emulated.

When the original digital signature generating software was turned over to the Atari community, development of new Atari 7800 titles began.

When the trade association began, it had seven members and its main goal was to eliminate all duties and restrictions on the majority of their trade within 12 years.

Beethoven's friend Anton Schindler, later said: " When he started working on the fourth movement the struggle began as never before.

When pro-reform forces came into power in the spring 1997, an ambitious economic reform package, including introduction of a currency board regime, was agreed to with the International Monetary Fund and the World Bank, and the economy began to stabilise.

When pro-reform forces came into power in the spring 1997, an ambitious economic reform package, including introduction of a currency board regime, was agreed to with the International Monetary Fund and the World Bank, and the economy began to stabilise.

When Hitler's chief engineer, Fritz Todt, began opening the new autobahn ( highways ) in 1935, many of the bridges and service stations were " bold examples of modernism " – among those submitting designs was Mies van der Rohe.

When Selig was only three, Marie began taking him and his older brother, Jerry, to Borchert Field, where the minor league Milwaukee Brewers played.

When the Luftwaffe began bombing Moscow, Pasternak immediately began to serve as a fire warden on the roof of the writer's building on Lavrushinski Street.