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This study aims to focuses on the development of a remote control that will function in activating any desired electrical device out of a common gadget, the cellular phone. The researchers developed a remote control using the widely used medium for communication, which is the cellular phone. This device will operate as a remote control that can activate different electrical devices regardless of the distance, because cellular phones operate through microwaves as its medium. Since the device can operate in very large distances, a confirmation for the activation of the electrical devices will be obtained. This device will function as a remote control to activate desired electrical device anywhere, anytime. |
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The study aims to produce a low-priced, high-quality candle by using used cooking oil as a major component. The following candle compositions were used: 100 percent paraffin wax; 90 percent paraffin and 10 percent oil; 80 percent paraffin and 20 percent oil; 70 percent paraffin and 30 percent oil; 60 percent paraffin and 40 percent oil; 50 percent paraffin and 50 percent oil. The firmness, texture, and light intensity of the candles were tested and compared. |
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This investigatory project determines the possibility of purifying used cooking oil using sedimentation method. The activated carbon was also used in the experiment to absorb some dissolved substances in the oil. There were three different setups used in this study namely; Setup 1 (sedimentation was done once); Setup 2 (sedimentation was done twice); and Setup 3 (sedimentation was done thrice). |
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This study aims to develop a multipurpose mechanical dryer that uses rice hull and solar energy as power source. The mechanical dryer has two main parts: (1) the furnace/drying bin made of concrete that measures 1.0 meter (m) by 0.75 m by 0.6 m; and, (2) the extended dryer-measuring 1.0 m X 0.75 m X 1.0 m-is made of angle bars, GI sheets, and four layers of perforated screen for drying other crops. The furnace directly under the bin provides the heat when the relative humidity of the air is high. |
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