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 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 something unexpected happened, one always asked for water if one were a woman, brandy if one were a man.

When I looked up the actual date of his birth and found it to be March 15th, I realized that Roy was born under the right zodiacal sign for a watercolorist: the water sign of Pisces ( February 18 thru March 20 ).

When all of the rinse water has passed from the reservoir to the tubs the main drains are lowered to permit complete draining of the tubs.

When this water level has been reached, inject steam into the wheel until the temperature reaches that shown in Column B of Table 2.

When this water level has been reached, inject steam until the temperature is that shown in Column Aj.

When this water level has been reached inject steam until the temperature is that shown in Column Aj.

When the eggs hatch, the tadpoles work themselves out of the foam and fall into the water below.

When the eggs hatch, he transports the tadpoles on his back, stuck there by a mucous secretion, to a temporary pool where he dips himself into the water and the tadpoles drop off.

When the Ark was borne by priests into the bed of the Jordan, water in the river separated, opening a pathway for the entire host to pass through ( Josh.

When tested, it approaches standards for potable water.

When the men were hunting on the water they wore waterproof parkas made from seal or sea-lion guts, or the entrails of bear, walrus, or whales.

When two monosaccharides undergo dehydration synthesis, water is produced, as two hydrogen atoms and one oxygen atom are lost from the two monosaccharides ' hydroxyl group.

When the pH of this solution rises, as a result of dilution by fresh water, these ions precipitate, forming " Yellow Boy " pollution.

When surfacing to breathe, the blue whale raises its shoulder and blowhole out of the water to a greater extent than other large whales, such as the fin or sei whales.

When the working liquid is water and the bain-marie is used at sea level, the maximum temperature of the material in the lower container will not exceed 100 degrees Celsius ( 212 F ), the boiling point of water at sea level.

When a hydrocarbon burns in oxygen, the reaction will only yield carbon dioxide and water.

When water percolates through limestone or other soluble carbonate rocks, it partially dissolves the rock and causes cave formation and characteristic stalactites and stalagmites and also forms hard water.

When in contact with one of the electrodes in a fuel cell, this platinum increases the rate of oxygen reduction to water, either to hydroxide or hydrogen peroxide.

When part of a forest is removed, the trees no longer evaporate away this water, resulting in a much drier climate.

When a Ghyben-Herzberg lens is fully formed, its floating nature will push a freshwater head above mean sea level, and if the island is wide enough, the depth of the lens below mean sea level will be 40 times the height of the water table above sea level.

When found on the beaches, Calophyllum often extends over the lagoon water and supports nesting red-footed boobies, as does Barringtonia asiatica.

When this happens, glucose remains in the filtrate, leading to the osmotic retention of water in the urine.

When the rains return and soils become wet, the osmotic gradient between the bacterial cells and the soil water causes the cells to gain water quickly.