Severity: Warning
Message: fopen(/tmp/ci_session9c24a3d248504bbaa54b06e70cf6beed1a5de471): Failed to open stream: No space left on device
Filename: drivers/Session_files_driver.php
Line Number: 176
Backtrace:
File: /home/startup/public_html/index.php
Line: 318
Function: require_once
Severity: Warning
Message: session_start(): Failed to read session data: user (path: /tmp)
Filename: Session/Session.php
Line Number: 143
Backtrace:
File: /home/startup/public_html/index.php
Line: 318
Function: require_once
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An evacuated tube solar water heater is a solar thermal technology designed to harness sunlight for heating water. It typically consists of a series of glass tubes, each containing an absorber coating and a heat pipe. The tubes are evacuated to create a vacuum, minimizing heat loss.