RTX 3080 cleaning thermal pads and paste

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Equipment :
gpu: rx 6900xt 16gb
cpu: intel i9 11900K
mem: ddr4 32gb 4000mhz
mbo: asus maximus xii
CAM:
1. webcam trust pro fhd
2. sony A7R iii (A7R3) + zeiss 24-70mm
3. OBS app