Kuitwa kweASTM standard:
Kuita kuti chigadzirwa chive mumusika wakagadzikana
Murabhoritari yakashongedzerwa zvizere nemichina yekuyedza iyostrict ASTM yekuyedza zviyero zvinoshandiswa.
Quality Testing
● Kunyange zvichidhura, hapana tsvina imwe chete iri kushandiswazve.|● Kunyange zvazvo zvakaoma, hapana miniti imwe chete kusunungurwa kwekugadzirisa kunaka.