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mechanical-girl
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Add G1 tools
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# Big Robot Arm
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<!-- Each thing below becomes a row in the table - copy it for each risk that's been identified.
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Please delete all the comments from the final document -->
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## A thing that might go wrong
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### Severity
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<!-- How bad it is if the thing happens. H, M, or L. -->
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H
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### Likelihood
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<!-- How likely something is, *after* the control measures listed below. H, M, or L. -->
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H
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### Risk rating
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<!-- If both likelihood and severity are H, this is H
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If one of likelihood and severity is L, and the other is L or M, this is L
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Otherwise, this is M -->
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H
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### Who may be harmed & how
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<!-- Usually some combination of:
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User
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Bystander
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Users of the room
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The space
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Following user -->
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### Control measures
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<!-- Anything that's in here should also be in the syllabus somewhere, to ensure it's actually practised. -->
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# Big Robot Arm
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<!-- There is no prescribed structure, but here is a suggestion: -->
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## Safety
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### PPE
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### Risks
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<!-- Usually, all of the control measures in the risk assessment should be mentioned here -->
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## Startup checks
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## Usage
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### Starting the machine
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### Stopping the machine
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<!-- incl estops if necessary -->
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### General
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### Materials
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### Cleaning up
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## Maintenance
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### General
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## Other
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# Soldering Irons
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<!-- Each thing below becomes a row in the table - copy it for each risk that's been identified.
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Please delete all the comments from the final document -->
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## A thing that might go wrong
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### Severity
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<!-- How bad it is if the thing happens. H, M, or L. -->
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H
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### Likelihood
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<!-- How likely something is, *after* the control measures listed below. H, M, or L. -->
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H
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### Risk rating
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<!-- If both likelihood and severity are H, this is H
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If one of likelihood and severity is L, and the other is L or M, this is L
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Otherwise, this is M -->
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H
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### Who may be harmed & how
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<!-- Usually some combination of:
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User
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Bystander
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Users of the room
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The space
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Following user -->
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### Control measures
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<!-- Anything that's in here should also be in the syllabus somewhere, to ensure it's actually practised. -->
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# Soldering Irons
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<!-- There is no prescribed structure, but here is a suggestion: -->
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## Safety
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### PPE
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### Risks
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<!-- Usually, all of the control measures in the risk assessment should be mentioned here -->
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## Startup checks
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## Usage
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### Starting the machine
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### Stopping the machine
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<!-- incl estops if necessary -->
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### General
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### Materials
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### Cleaning up
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## Maintenance
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### General
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## Other
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# Prusa 3D Printers
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## Burn due to hotplate or hot-end
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### Severity
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L
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### Likelihood
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L
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### Risk rating
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L
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### Who may be harmed & how
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- User - the user may have a minor burn due to the high temperature of the hotplate and hot-end of the 3D printer
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### Control measures
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- Signage - standard "hot surface" signage is used to indicate the surface may be hot
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- Training - informing the user about how to tell if the printer is currently operating, checking the current temperature,
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and to avoid touching the hot plate or hot-end directly
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- Equipment - first aid kit is available
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## Fire started due to hotplate or hot-end
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### Severity
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H
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### Likelihood
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L
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### Risk rating
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L
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### Who may be harmed & how
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- The space - the equipment and surrounding area may become damaged from a fire started by a flammable material placed
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on the hotplate or hot-end of the 3D printer.
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- User - the user may become injured from a fire by both heat and inhalation of smoke
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- Bystanders - bystanders may become injured by both heat and inhalation of smoke
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### Control measures
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- Signage - standard "hot surface" signage is used to indicate the surface may be hot
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- Training - users are instructed to not leave flammable materials on or around the 3D printer
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- Supervision - active 3D printers are monitored during operation
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- Equipment - fire alarms and extinguishers are installed, first aid kit is available
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## Body part or clothing is caught in printer mechanism
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### Severity
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L
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### Likelihood
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L
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### Risk rating
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L
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### Who may be harmed & how
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- User - the user may experience injuries such as cuts and stretch or crush injuries
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### Control measures
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- Signage - standard "pinch point" or "crush hazard" signage is used to indicate the printers are hazardous
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- Training - users are instructed to remove or secure loose clothing and long hair and to avoid placing hands near
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the 3D printer gantry mechanism
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## Hazardous gasses
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### Severity
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M
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### Likelihood
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L
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### Risk rating
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L
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### Who may be harmed & how
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- Users of the room - anyone in the room may sustain injury from inhalation of hazardous gasses produced by heated
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thermoplastics
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### Control measures
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- Enclosure - 3D printer is enclosed in a case to prevent hazardous gasses from escaping
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- Extraction - an extraction device is installed to extract hazardous gasses from the enclosure
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- Training - users are informed about which plastics produce hazardous gasses and to ensure the enclosure is closed
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and the extraction device operational
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# Prusa 3D Printers
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<!-- There is no prescribed structure, but here is a suggestion: -->
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## Safety
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### PPE
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* None necessary during ordinary use.
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### Risks
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* Burn from heated bed or hot-end
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* Fire started due to heated bed or hot-end
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* Body part or clothing caught in printer mechanism
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* Hazardous gasses
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<!-- Usually, all of the control measures in the risk assessment should be mentioned here -->
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## Startup checks
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* Filament loaded is expected type
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* Bed and hotend can move freely
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* Area around printer is clear
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* Bed is clean and clear
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* Correct nozzle is installed
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## Usage
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### Starting the machine
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* The printer should be left powered on and passive. If it is not, check with tools@edinburghhacklab.com that it can be powered on safely.
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* Wipe the bed down with isopropyl alcohol and blue roll. Do not touch the bed after this process has been completed.
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* Select your file using the menu on the printer.
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* Observe the printer begin the print. The first layer should always be watched in case of defects or malfunction.
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### Stopping the machine
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* The printer should stop and cool normally when the print is finished.
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* If the print must be cancelled, do so using the menu. Only cancel your own prints, or the prints of others with their express permission.
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* If the printer begins sounding an alarm, press the `Reset` button on the control panel until it restarts.
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<!-- incl estops if necessary -->
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### General
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* Keep your hands clear of the heated bed and hotend while prints are in progress to avoid pinching and burns.
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### Materials
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* Only use the following materials from reputable sellers:
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* PLA (including matte PLA and PLA+)
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* PETG
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* TPU
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* Do not use materials if:
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* they have inclusions, such as Glow-In-The-Dark, carbon fibre (CF), or glass fibre (GF)
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* they have previously caused clogs or jams in printers in the lab
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* If in doubt, ask.
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### Cleaning up
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* Remove your print and any skirt or purge lines from the bed.
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## Maintenance
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### General
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* Contact tools@edinburghhacklab.com if you encounter any of the following:
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* repeated build failures with the same file, filament and failure mode
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* loud screeching or grinding sounds
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* alarms necessitating a printer reset
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## Other

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