1. The maintenance-free uPVC panels feature screen-printed designs and sealed-unit double glazing.

2. The fanless design ensures complete noiselessness and maintenance-free operation.

3. Easy operation, automatic running and maintenance-free.

4. Uses maintenance-free motor bearings, reduction gear, and couplings.

5. Maintenance-free battery is also need maintenance.

6. The 4WD shaft-drive system is virtually maintenance-free compared to belt-drive cars and it produces lightning-quick acceleration.

7. Maintenance-free brushless drive motor with frequency inversion, has high start torque and short acceleration time.

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8. Their electronically commutated brushless DC motor provides virtually maintenance-free operation over time by eliminating brush maintenance and associated brush motor failure.

9. These batteries are sealed, maintenance-free components containing substances that are harmful to health and a source of environmental pollution.

10. Maintenance-free during use"Electric eye" is installed on CHIGO storage cell to conveniently observe its charge status.

11. In the event of damage, this maintenance-free valve can be factory reconditioned in order to maintain optimum serviceability and assure proper component isolation function.

12. The Rexroth-designed drive system comprises a powerful, nearly maintenance-free hydraulic power unit.

13. It could cost from ￡1,200 for professionally installed secondary windows, and from ￡3,500 for replacement windows in maintenance-free materials.

14. The V6 engine also features exhaust gas recirculation, an oxidising catalytic converter and a maintenance-free diesel particulate filter.

15. The sealed spherical roller bearings are protected against both particle and moisture contamination, enabling them to offer effective performance over long, virtually maintenance-free service lives.

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17. The advantages and disadvantages of the container formation and the tank formation of the maintenance-free lead acid batteries were discussed.

18. Founded in 2005, mainly produces N series, YB series and YT Series sealed maintenance-free motorcycle batteries and UPS backup power.

19. To achieve this aim, a self-monitoring measurement system that functions reliably and maintenance-free shall be selected.

20. The LFL is the newly developed empty bottle inspection system, which is safe, hygienic, simple and, at the same time, virtually maintenance-free.

21. "In any case, we assume we will be using nearly maintenance-free engines by 2050, " Krein explains.

22. Designed as a hydraulic service tool , this meter will provide years of maintenance-free performance.

23. Check the level of coolant, brake fluid, windshield detergent and battery electrolyte (except maintenance-free battery) and check if there is leakage.