This was a blood donation, one of Gudep 610-611 Sepuluh Nopember Technology Institute's project that held on May 1st right on National Labor Day commemoration. The participants were from students and citizens around the Griyo Keputih hall. Not only the blood donation, we provided the medical check up such for eyes, uric acid level, and blood sugar. For those whom unable to participate the blood donation, they were able to check their blood type.