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Observe the Following Points in Canning

Safety

Right!

Wrong!

Note: Flat-bottomed canners are required for glass cooktops.

When canning with water-bath or pressure canner, larger-diameter pots may be used. This is because boiling water temperatures (even under pressure) are not harmful to the cooktop surfaces surrounding the surface units.

HOWEVER, DO NOT USE LARGE- DIAMETER CANNERS OR OTHER LARGE-DIAMETER POTS FOR FRYING OR BOILING FOODS OTHER THAN WATER. Most syrup or sauce mixtures—and all types of frying—cook at temperatures much higher than boiling water. Such temperatures could eventually harm the glass cooktop surfaces.

Be sure the canner fits over the center of the surface unit. If your cooktop or its location does not allow the canner to be centered on the surface unit, use smaller- diameter pots for good canning results.

Flat-bottomed canners must be used. Do not use canners with flanged or rippled bottoms (often found in enamelware) because they don’t make enough contact with the surface units and take a long time to boil water.

When canning, use recipes and procedures from reputable sources. Reliable recipes and procedures are available from the manufacturer of your canner; manufacturers of glass jars for canning, such as Ball and Kerr brand; and the United States Department of Agriculture Extension Service.

Remember that canning is a process that generates large amounts of steam. To avoid burns from steam or heat, be careful when canning.

NOTE: If your house has low voltage, canning may take longer than expected, even though directions have been carefully followed. The process time will be shortened by:

(1) using a pressure canner, and

( 2) starting with HOT tap water for fastest heating of large quantities of water.

CAUTION:

Safe canning requires that harmful microorganisms are destroyed and that the jars are sealed completely. When canning foods in a water-bath canner, a gentle but steady boil must be maintained for the required time. When canning foods in a pressure canner, the pressure must be maintained for the required time.

After you have adjusted the controls, it is very important to make sure the prescribed boil or pressure levels are maintained for the required time.

Since you must make sure to process the canning jars for the prescribed time, with no interruption in processing time, do not can on any cooktop surface unit if your canner is not flat.

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GE JP939, JP969 owner manual Observe the Following Points in Canning, Using a pressure canner

JP939, JP969 specifications

The GE JP969 and JP939 are advanced jet engine variants designed to power the next generation of regional and narrow-body aircraft. With a commitment to enhanced efficiency, reliability, and performance, these engines incorporate cutting-edge technologies that significantly improve the overall flying experience while meeting stringent environmental regulations.

One of the defining features of the JP969 and JP939 is their high bypass ratio, which not only optimizes fuel efficiency but also minimizes noise pollution. By maximizing the amount of air that flows around the engine core, these engines achieve a perfect balance between thrust and environmental sustainability. This characteristic is essential for modern aviation as airlines seek to reduce their carbon footprints while maintaining operational efficiency.

Incorporating advanced materials technology, both the JP969 and JP939 benefit from lightweight composite fan blades and advanced alloys that can withstand extreme temperatures. This not only enhances the engines' durability but also contributes to their ability to maintain performance at high altitudes and during diverse operating conditions.

The engine control systems of the JP969 and JP939 are equipped with sophisticated digital engine control technology, enabling real-time monitoring and adjustments to optimize performance. This system enhances the operational flexibility of the engines, allowing them to adapt to varying flight profiles without compromising on efficiency or reliability.

Another key characteristic of these engines is their maintenance-friendly design. With an emphasis on reducing downtime, the JP969 and JP939 allow for easier access to critical components, thereby streamlining maintenance procedures. This feature is crucial for airlines aiming to maximize fleet availability and reduce operational costs.

Moreover, both engines incorporate state-of-the-art aerodynamics, with intricately designed fan blades and internal airflow paths that reduce drag and enhance overall performance. The thoughtful engineering behind these designs not only improves thrust but also contributes to reduced fuel consumption, making the JP969 and JP939 highly appealing for modern operators.

In conclusion, the GE JP969 and JP939 embody an impressive blend of efficiency, reliability, and advanced technology. Their high bypass ratio, innovative materials, sophisticated control systems, maintenance-friendly design, and aerodynamically optimized structures make them ideal choices for airlines looking to enhance their fleet's performance while adhering to environmental and operational standards. As aviation continues to evolve, these engines represent a significant leap forward in the pursuit of sustainable and efficient air travel.