Wafer testing is a step performed during semiconductor device fabrication. Welding is the main focus of steel fabrication. Epitaxy is used in nanotechnology and in semiconductor fabrication. It is the basis for modern nanoelectronic semiconductor device fabrication. Turing is manufactured using TSMC's 12 nm FinFET semiconductor fabrication process. KOH is also used for semiconductor chip fabrication. It is manufactured using TSMC's 7 nm FinFET semiconductor fabrication process. The main fabrication facility consists of a wafer fabrication plant. For these reasons, it finds use in situations such as semiconductor fabrication and laboratory equipment. The basis for most LOC fabrication processes is photolithography. This was a company that specialised in the fabrication of tubular steel structures. Montgomery has also had large metal fabrication and lumber production sectors. Limonene is also used as a solvent for fused filament fabrication based 3D printing. Its fabrication and processing are simple and well-established. This is insufficient for efficient PCB fabrication data.