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App Interface Sound Smooth Tech 40
https://elements.envato.com/app-interface-sound-smooth-tech-40-FNAQ46D
Free 
Minimalist Design – PowerPoint Template
文件下载,https://downloads.cgguy.com/d/vianetsp/Preview/11ppt/2022/05/26/44707.8853125/cgguy.com_DX67YQQ.zip
Free
Cinemati Transiion Whoosh 27
https://elements.envato.com/cinematic-transition-whoosh-27-BRS33SF
Free
Sci Fi Spacehip Interface Missile Incomng Warnin
https://elements.envato.com/sci-fi-spaceship-interface-missile-incoming-warnin-C623Y6H
Free
Boat Whistle Hig Pitch Airy Tail 2
https://elements.envato.com/boat-whistle-high-pitch-airy-tail-2-UD5TT9M
Free
Wood Pound Asphlt Two Wood Poles Oak Banister 54
https://elements.envato.com/wood-pound-asphalt-two-wood-poles-oak-banister-54-XRV9DLK
Free 
Robot Vocal My Enrgy Is Running Out Male Computer
https://elements.envato.com/robot-vocal-my-energy-is-running-out-male-computer-QLGKQ5J
Free
Cowboy Saying Giddup Now Come On
https://elements.envato.com/cowboy-saying-giddup-now-come-on-8VMWPDK
Free 
Ice Crak Under Heavy Machine 10
https://elements.envato.com/ice-crack-under-heavy-machine-10-DMCZA5V
Free 
Medicare – Medical Clinic Powerpoint Template
https://elements.envato.com/medicare-medical-clinic-powerpoint-template-29DXA4U
Free 
Science Logo/ Back to School/ Chalk Board Intro/ Mathematical Formulas/ Grunge Style/ Dust Scratches by drev0 on CGguy
https://elements.envato.com/science-logo-back-to-school-chalk-board-intro-math-4GXE268
Free 