2 Messages
•
80 Points
New test holder needed?
How often can you use an old holder? Do they become more unreliable after a certain number of uses? Should I be writing the date and throwing after the second or third use?
2 Messages
•
80 Points
How often can you use an old holder? Do they become more unreliable after a certain number of uses? Should I be writing the date and throwing after the second or third use?
No Responses!