Message: Return type of CI_Session_files_driver::open($save_path, $name) should either be compatible with SessionHandlerInterface::open(string $path, string $name): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Message: Return type of CI_Session_files_driver::close() should either be compatible with SessionHandlerInterface::close(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Message: Return type of CI_Session_files_driver::read($session_id) should either be compatible with SessionHandlerInterface::read(string $id): string|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Message: Return type of CI_Session_files_driver::write($session_id, $session_data) should either be compatible with SessionHandlerInterface::write(string $id, string $data): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Message: Return type of CI_Session_files_driver::destroy($session_id) should either be compatible with SessionHandlerInterface::destroy(string $id): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Message: Return type of CI_Session_files_driver::gc($maxlifetime) should either be compatible with SessionHandlerInterface::gc(int $max_lifetime): int|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
For Concealed Framework in Ceiling and Panelling Work
Perimeter Channel (PC): 3600 mm long, 0.45 mm thick with two flanges of 20 mm & 30 mm each and a web (internal size 25 mm), made from Galvanised steel. It is used at perimeter of the wall with the help of nylon sleeves and screws at 600 mm c/c to receive end of ceiling section.
Intermediate Channel (IC): 3600 mm long, 0.45 mm thick, made from Galvanised steel. It has two equal flanges of 15 mm each and a web of 45 mm. It is used as an intermediate support to the ceiling section with the help of Ceiling Angle.
Ceiling Angle (CA): 3600 mm long, 0.45 mm thick with 10 x 25 mm at 90 degree legs made from Galvanised steel, used as a hanger bracket from structural soffit to suspend from the soffit anchored with the help of rawlplug / fastener .
Ceiling Section (SC): 3600 mm long, 0.45 mm thick, made from Galvanised steel. It has two equal flanges & a knurled web. it is suspended from the intermediate channel with connecting clip / screw at 600 c / c. It is the main supporting section to fix the board / Panel.