Hi. Thanks for admitting. Place a B166 cassette for 3-inch smoke bullet. I ask if anyone can explain to me about the blue paint marks and the two vertical lines ... what did they indicate? thank you
Hi. Thanks for admitting. Place a B166 cassette for 3-inch smoke bullet. I ask if anyone can explain to me about the blue paint marks and the two vertical lines ... what did they indicate? thank you
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