Shipping something? Best Way to Tape Cardboard Boxes!

Here are three recommended ways to apply tape.
(Experiments with a weight of 16 kg or more)

[Case 1. cross tape]
The bottom is a little swelled but it is enduring!

[Case 2. Double cross tape
There is one more tape than the cross, so it's better support!

[Case 3. Paste on the U-shaped]
The strongest of the three types.
CHECK POINT!
The trick is to strengthen the central part of the bottom where the weight is concentrated most

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