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Pick the best possible way to fill in the gaps in the sentences.
1. As far as I can tell, the biggest issue with plastics is their ………. fast and safely.
Pick the best possible way to fill in the gaps in the sentences.
2. We’ve discovered a technique to give paper some of the ………., but with none of the detriments.
Pick the best possible way to fill in the gaps in the sentences.
3. A thin layer of silica and organic molecules ………. when a paper structure in the mixture and then dried at room temperature.
Pick the best possible way to fill in the gaps in the sentences.
4. It also has a thin layer of titanium dioxide nanoparticles, which ………. in repelling dirt and bacteria.
Pick the best possible way to fill in the gaps in the sentences.
5. The liquid composition can be tuned for other materials and we can create a dirt- and mold-resistant coating that could form onto glass, ceramics and even other plastics to ………. their usefulness.