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Cover the grill's lid if necessary: Hot dogs, hamburgers and other food intended for fast cooking can be grilled without a lid. If you have any food for slow cooking, such as boned chicken or loin chops, just cover the lid on the grill. In doing so, indirect heat is increased to help cook food thoroughly. If you need to cook food for a long time, you should add new charcoal every 30 or 60 minutes. Don't lift the cover frequently to check your food because it will lead to heat loss.

The steel tape measure is measured in centimeters. The red “10” means 10 centimeters, and the cells in centimeters mean millimeters. Steel tapes can be divided into self-rolling tapes, braking tapes, and rolling tapes. The numbers on the metal tape measure are divided into two rows, the unit of one row is cm, and the unit of the other row is inches. 1cm≈0.3937 inches, 1 inch≈2.54cm. Therefore, when the difference between the two numbers is small, the unit uses centimeters, and when the difference is large, the unit uses inches. The font of numbers in centimeters is also smaller than that of inches.

To clean the grill with greater ease, you should mix vinegar, lemon juice, and a sauce containing soy sauce for marination and sprinkling. Next, place all cleaning tools near the barbeque tool so that they can be used more conveniently and faster. Meanwhile, it also helps to develop the habit of cleaning the grill after using it. You'd better smear the barbeque sauce with ketchup a few minutes before food is taken out of the oven to reduce the workload of scrubbing. Prepare a piece of tin foil if you have no brush suitable for cleaning the grill. Firstly, fold the tin foil paper into a ball with a 3cm diameter, clamp the grill with a food clip, and scrub it bit by bit. Next, scrub another metal strip after cleaning one. The grill should be cleaned thoroughly at least once a year.

Ultrasonic thickness gauge working principle Ultrasonic thickness gauge mainly adopts the principle of ultrasonic pulse reflection method to measure the thickness of materials and objects conveniently and quickly, so as to realize the most basic thickness measurement function. Ultrasonic thickness gauge applications Ultrasonic thickness gauge is mainly used to detect hard materials (steel plates, glass, etc.). However, soft materials (such as sofas, sponges, etc.) cannot be measured with an ut thickness gauge. In addition, when testing the thickness of the material, attention should be paid to the sound velocity of the material being measured. The sound velocity of different materials is different.

Compared with ordinary electric drills, firstly the electric screwdriver adds the "setting torque" function, that is, it will jump out if the torque exceeds a certain torque, so it will not blindly twist the screw hole. Secondly it adds the forward and reverse gears to loosen and tighten the screw. Besides, it has added with the low speed gear to be more suitable for screwing. If the torque is too small, the screw can't be twisted, and if the torque is too large, it is easy to damage the product and cause serious slippage. Therefore, it is best to buy an electric screwdriver with precise torque settings with appropriate maximum torque, and multiple gear adjustments.

Hydraulic crimping tool, also called hydraulic crimping pliers or crimper, is a hand-held hydraulic tool for crimping cables, lugs, terminals or connectors. This article will introduce the use methods for hydraulic crimping tool and the main points of daily maintenance.