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 oil began to gush in West Texas in the early 20th century, and again in the late 1970s, Fort Worth was at the center of the wheeling and dealing.

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 the stock exchange opened this morning, many dealers were quick to purchase shares in Douglas, Lockheed and United Aircraft and prices rose substantially.

When the bubble " bursts ," the share prices fall dramatically, and many companies go out of business.

When war went badly, prices rose and the sans-culottes — poor labourers and radical Jacobins – rioted ; counter-revolutionary activities began in some regions.

When prices went down, the ban was lifted.

When demand exceeds supply, suppliers tend to raise their prices, but when supply exceeds demand, suppliers will tend to decrease their prices in order to make sales.

When businesspeople perceive that the issuer is committed to a policy of rapid currency expansion, they mark up prices to cover the expected decay in the currency's value.

When the curia still took no substantial action in regards to the food shortage, Julian intervened, fixing the prices for grain and importing more from Egypt.

When not coerced legally to do otherwise, monopolies typically maximize their profit by producing fewer goods and selling them at higher prices than would be the case for perfect competition.

When the Seychellois rupee became freely floated on November 3, 2008, its value quickly fell drastically, decreasing from eight per U. S. dollar to 16, effectively doubled the prices of imports.

When international cotton prices collapsed, they switched to coffee, cocoa, bananas, and, most successfully, coconuts.

When silver prices rose relative to gold as a reaction to the California Gold Rush, silver coinage was worth more than face value, and rapidly flowed overseas for melting.

When box office prices are adjusted for inflation, it remains one of the top 100 grossing films in U. S. history.

When the calculator IC prices started to fall, Pico refocused on commercial products rather than plain ICs.

When the pound was returned to the gold standard after the war it was done on the basis of the pre-war gold price, which, since it was higher than equivalent price in gold, required prices to fall to realign with the higher target value of the pound.

) When the bid and ask prices match, a sale takes place, on a first-come-first-served basis if there are multiple bidders or askers at a given price.

When cocoa bean prices are high, farmers may invest in their crops, leading to higher yields which, in turn tends to result in lower market prices and a renewed period of lower investment.

When Martinez de Hoz assumed power as finance minister prices in the previous month had increased at an annual rate of 5, 000 % and output had declined sharply.

When prices start dropping, potential customers put off their purchase as long as possible to get the lowest price, resulting in the demand decreasing even more.

When the Liberal-supporting Daily News used official import prices to demonstrate that a loaf of bread under tariff reform would be smaller than a free trade loaf of bread, Chamberlain arranged for two loaves to be baked based upon free trade and tariff reform prices.

When farm prices fell after World War I and during the Great Depression, people looked elsewhere for employment.

When the railroad came to the Hills and refused to pay the prices demanded by nearby township of Minnesela, he was ready.