carbonaceous material) is heated up for a short time above austenitizing temperature and is transubstantiated by fast cooling down into the martensitic structure. heat is generated by absorbing the laser radiation on the surface and the material is quenched by heat transportation inside. the surface may not...
surface treatment homepage applications laser cutting laser cutting laser cutting and laser fine cutting are applied for different kinds of materials where complex contours demand precise, fast and force-free processing. lasers create narrow kerfs and thus achieve high-precision cuts. this method does not...
sugar-sweetened beverages and drink more water instead. if you're prescribed antibiotics, take them exactly as directed. antibiotic resistance is a serious public health problem. if you drink alcohol, do so in moderation, which is up to one drink per day for women and two drinks per day for men. if you use tobacco...
"but not last week." in sophia's home her children and grandchildren knew all the folk tales and fell in with the song parts at the correct moment. the singing went well. sophia would not start telling folk tales unless all the children had been bathed. a big tin bath or a wheelbarrow was filled with...