We have difficulties that arise in the production of FLAT TOP AND BOTTOM PLATE because it has some disadvantages that are QC in manufacturing is difficult, such as strength of the piece.
We are difficulties in producing FLAT TOP AND BOTTOM PLATE because it has some disadvantages of quality control in the manufacturing process as difficult as the load of the specimen.
We have trouble occurs in the manufacture FLAT TOP AND BOTTOM PLATE because it has some disadvantages that quality control in manufacturing is difficult. Such as the strength of the workpiece.