irre - leak
- irregularity
- irregularity/unevenness (surface irregularity/unevenness )
- irregularity/unevenness (surface irregularity/unevenness )
- isolating valve
- isotope/nuclide
- jack (lifting jack )
- jack (lifting jack )
- jaw crusher
- joint system (glue)
- joint system (glue)
- kaolinitic clay
- key (to open the clamp)
- key (to open the clamp)
- kneader (Buss kneader )
- kneader (Buss kneader )
- labor costs