Create a technology icon set with a style inspired by early 20th-century woodcuts and stone carvings, merged with clean, modern vector lines. flat design, Solid Colors, black on white, bold, chunky, filled and robust, formed from geometric shapes that convey strength and simplicity. Icons should be designed within a 41x41 grid, with subtle curves incorporated to soften areas where straight lines may feel too harsh. The overall aesthetic should be bold yet refined, with each icon feeling like a cohesive part of the same family.