____ Are cylinders with water-weight capacity over 30 pounds equipped (with means for connecting a valve protector or device, or with a collar or recess to protect the valve?
____ Are cylinders legibly marked to clearly identify the gas contained?
____ Are compressed gas cylinders located or stored in areas where they will not be damaged by passing or falling objects or be subject to tampering by unauthorized persons?
____ Are cylinders containing liquefied fuel gas stored or transported in a position so that the safety relief device is always in direct contact with the vapor space in the cylinder?
____ Are valve protectors always placed on cylinders when the cylinders are not in use or connected for use?
____ Are all valves closed off before a cylinder is moved, when the cylinder is empty, and at the completion of each job?
____ Are low-pressure fuel-gas cylinders checked periodically for corrosion, general distortion, cracks, or any other defect that might indicate a weakness or render them unfit for service?
____ Does the periodic check of low-pressure fuel-gas cylinders include a close inspection of the bottom of each cylinder