Title: वैकल्पिक

Text: Both 6000 and 7000 alloys are referred to as "age hardenable" aluminum alloys. They can be hardened by heating them at 100 to 200 degrees Celsius (212 to 392 degrees Farenheit.) This strengthening occurs because of precipitation of nanometer particles in the metal. Are you asleep yet? प्रत्येक पराग्राफले परीक्षण हुनेछ।

Save test: यदि तपाईं यो टाइपिङ परीक्षणलाई साझा गर्न चाहानुहुन्छ भने यो प्रयोग गर्नुहोस् (केवल प्रमाणीकृत प्रयोगकर्ताहरूको लागि)।