https://patents.google.com/patent/CN201424474Y/en
CN201424474Y - Floating cover biomass anaerobic digestion equipment - Google Patents
The utility model discloses a floating cover type biomass anaerobic digestion equipment. The cylinder body (2) of the fermentation room is divided into upper...
floating coveranaerobic digestionbiomassequipmentgoogle
https://es.covex-cover.com/
Covex® - Floating cover for liquid surfaces
Innovative floating cover for liquid surfaces to avoid evaporation, algae growth, contamination, odors, freezing, heat loss and wildlife protection.
floating coverliquidsurfaces
https://homejoys.blogspot.com/2008/10/garden-tip-floating-row-cover.html?m=0
Home Joys: Garden Tip - Floating Row Cover
After several years of having no success with broccoli, one year I covered the plants with the thin white gardening fabric. Another name ...
joysgardentipfloatingrow