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ALC BK 27 L4S
ALC BK 27 L4 words with sentences
| word | example sentence |
|---|---|
| acid | The technicians wore protective gloves to avoid getting liquid _______ on their skin while replacing the battery. |
| background | The investigator reviewed the system's maintenance _______ to determine what caused the technical failure. |
| bar | The physicist used a solid iron _______ to demonstrate how a magnetic field can align metallic filings. |
| beam | The laser device emits a narrow _______ of light that can cut precisely through thick metal sheets. |
| century | The invention of the light bulb over a _______ ago completely transformed modern industrial factories. |
| coil | The copper wire was wound tightly into a dense _______ to increase the strength of the electromagnet. |
| electrode | The welder attached the negative _______ firmly to the steel plate before completing the circuit. |
| electron | A single _______ carries a tiny negative charge and flows through wires to create electricity. |
| electronics | The laboratory facility specializes in designing advanced _______ for modern aviation navigation systems. |
| flashlight | The emergency kit includes a durable _______ so workers can see if the main power grid fails. |
| magnet | A strong industrial _______ is suspended above the conveyor belt to separate scrap metal from plastic waste. |
| pole | The north _______ of the magnetic needle points toward the Earth's magnetic north direction. |
| rod | The technician used a specialized plastic _______ to safely adjust the components inside the electrical box. |
| static | Walking across the nylon carpet created a buildup of _______ electricity on the worker's hands. |
| surge | An unexpected _______ in the power line damaged several unprotected computers inside the school library. |
| volt | A standard household battery usually supplies a potential difference of one and a half _______ units. |
| voltage | Before testing the experimental circuit, always use a meter to check the input _______ level. |
| cut off | The automated safety switch will instantly _______ the electricity supply if it detects a dangerous leak. |
| extinguish | The laboratory staff used a chemical foam to quickly _______ the small fire on the workbench. |
| repel | Like charges, such as two negative terminals, will naturally _______ each other when pushed close together. |
| stick to | The static charge caused the lightweight paper scraps to _______ the plastic surface of the tray. |
| surge | The electrical current began to _______ violently when the lightning struck the regional power station. |
| in case | The building supervisor keeps extra backup fuses in the office _______ the current circuit breaks. |
| in case of | Please follow the marked green arrows on the floor to find the nearest exit _______ a sudden fire. |
| in the event (that) | _______ the power goes out, the emergency lighting system will illuminate the hallway immediately. |
| magnetic | The metallic filings formed a clear pattern along the lines of the powerful _______ field. |
| negative | Connect the black wire directly to the _______ terminal of the diagnostic equipment. |
| positive | The red symbol on the battery casing indicates the side with a _______ electrical charge. |
| provided/providing (that) | The technicians can complete the calibration today _______ the specialized tools arrive before noon. |
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