In this paper we study to find parametric presentation of a surface family with common line curvature in 3-dimensional Galilean space. We obtain necessary and sufficient conditions for the curve be on surface. state examples visualize our results some torsion free curve.

The field of family language policy has flourished in recent years addressing an ever-increasing breadth transnational populations, types, and linguistic configurations. Furthermore, diverse established innovative methodological approaches have unlatched the door to enhanced understandings multilingualism. A focus on ethnographic is line with current trends sociolinguistic enquiry, providing de...

The question of future energy-efficient creation living space is becoming more and important in many cities due to limited availability simultaneously increasing settlement pressure. Against the background desired space, resource energy efficiency, are steadily-focusing on internal development densification. In order encourage a sustainable urban development, existing densification potentials n...