नेपालका DUDBC (Department of Urban Development and Building Construction) का अनुसार भवनमा प्लास्टर गर्ने क्रममा पालना गर्नुपर्ने केहि महत्वपूर्ण मा…
1. For quality control of Portland cement, the test essentially done is : setting time , soundness , tensile strength , consistency . 2. …