Encara no tenim significats per a "affordable source".
1The material remains the most affordable source of cooking energy especially for low-income communities.
2Apt 2B: The affordable source for your furniture needs.
3With an affordable source of progesterone found, researchers turned to its uses as a contraceptive.
4The project's science leader said waste tyres were an affordable source of building materials that could be adapted for wider use.
5The quest for reliable, sustainable and affordable sources of renewable energy is an urgent challenge globally.
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