受限空间不规范作业。未办理作业票或安全措施不到位。办理作业票，采取安全

Confined space operations are not standardized. Did not apply for the job ticket or safety measures in place. Apply for a job ticket, take safety measures. Not set a supervised work based hand care process. No instrumentation field, enter undetected. Instrumentation internal environmental conditions. Not detected within a predetermined time interval. Intervals as required for environmental monitoring. Not equipped with protective equipment. Configuring protection appliances; explosion sites are not equipped with explosion-proof lighting

Restricted space is not an irregular job. No work tickets or security measures in place. Handle the work tickets and take security measures. No special person custody set up to set up a special person supervision operation process. There is no detection instrument on site, no detection entry. The meter detects the status of the internal environment. Undetected at specified intervals. Internal environmental inspection is performed at regular intervals as required. Protective gear is not equipped. Configuration of protective appliances;

Irregular operation in confined space. The work permit is not handled or the safety measures are not in place. Handle the work ticket and take safety measures. No special person is assigned to supervise the operation process. There is no detection instrument on site, and no detection is conducted. The instrument detects the internal environment status. Not detected within the specified time interval. Carry out internal environmental testing at regular intervals as required. No protective equipment. Equipped with protective equipment; no explosion-proof lamps in explosion-proof places<br>