Bio Sand Water Filter Construction DIY step-by-step fuelalternative 22:04 11 years ago 307 465 Скачать Далее
How To Make A Water Filter Mini ? Cement Craft Ideas Easy Crafts Ideas 14:00 4 years ago 3 396 762 Скачать Далее
🇫🇷 🇬🇧 How to build a biosand filter to get safe drinking water ? - DIY Tutorial 💧 Low-tech Lab 10:43 1 year ago 18 132 Скачать Далее
Turn On The Tap: How The BioSand Water Filter Works Samaritans Purse UK 3:01 12 years ago 68 456 Скачать Далее
Automated BioSand Filter - Appropriate Technology - Affordable Clean Water Solution Mr E 2:00 8 years ago 188 432 Скачать Далее
How to build simple water sand filter from home stuffs technowisdomgeek 2:00 10 years ago 389 011 Скачать Далее
Bio sand waterfilter filtration system for home use, part 2 Yim Angkor 6:06 6 years ago 5 754 Скачать Далее
Step by Step Demo for Concrete BioSand Filter Production OHorizons 1:50 8 years ago 1 086 Скачать Далее
DIY WATER FILTER | WATER FILTER EXPERIMENT | HOW TO FILTER DIRTY WATER | Science Project Hungry SciANNtist 3:25 3 years ago 2 704 471 Скачать Далее
