... degree &g=1.2 degree m/W,depth of laying=0.8m,laid in trefoil touchingA1511872232492803163604054545075706236762.Drawn into ducts,ground temp ... degree &g=1.2 degree m/W,depth of laying=0.8m,laid singlyA1511872182452672983383744054454905255703.Laid in air in trefoil touching,Ambient ...