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water heaters | |||
solar water heater | |||
water heater | |||
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water heaters parts of machines | |||
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water heaters |
calentador de agua: 34 phrases in 9 subjects |
Chemistry | 7 |
Electronics | 14 |
Energy industry | 5 |
Environment | 2 |
Mechanic engineering | 1 |
Municipal planning | 2 |
Social science | 1 |
Technology | 1 |
Thermal Energy | 1 |