A mine tunnel going across an ore vein, used for ventilation and communication between work areas
An interruption of a geologic feature by another, which can give an indication of the relative ages of these geologic features/events (e g a fault cutting across an impact crater would be younger than the crater )
A panel layout where seams run across the sail, perpendicular to the leech DACRON: DuPont's trade name for polyester fibre DENIER: A system for coding filament yarns and fibres, with low numbers representing finer sizes and higher numbers representing heavier yarns DIAX: Bainbridge's brand name for racing laminates with a 45-degree diagonal scrim ELONGATION: The difference between the length of a stretched sample and its initial length; expressed in 1/100ths of an inch FIBRE: Strand of material used to spin into a yarn FILL: The yarn or fibre running across the width of the fabric at right angles to the warp
A passageway driven between the entry and its parallel air course or air courses for ventilation purposes Also, a tunnel driven from one seam to another through or across the intervening measures; sometimes called "crosscut tunnel", or "breakthrough" In vein mining, an entry perpendicular to the vein