"Mr. Tang! The development has been successful!" Si Junpeng rushed over with a large box and said excitedly: "Thanks to Miss Chen's reminder, we use soil to isolate the black water, and then wrap the black water on the surface of the grenade, after the grenade explodes, the black water will be scattered in all directions, effectively killing and injuring the enemy!" "So fast!" Tang Dong asked in astonishment, originally...

"I'm such a big zombie" Chapter 74 The power of the black sailor grenade is hitting in the hand, please wait a moment,

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