Ikizamini cyo muri Kanada cyitwa Standard Freeness Tester gikoreshwa muguhitamo igipimo cyo kuyungurura amazi kumazi ahagarikwa kumazi atandukanye, kandi bigaragazwa nigitekerezo cyubwisanzure (CSF) .Igipimo cyo kuyungurura kigaragaza uko fibre imeze nyuma yo gusya cyangwa gusya neza. Igikoresho cyo gupima ubwisanzure bwubusa ni ikoreshwa cyane mubikorwa byo gutondagura inganda zo gukora impapuro, gushyiraho ikoranabuhanga ryo gukora impapuro nubushakashatsi butandukanye bwo gupima ibigo byubushakashatsi bwa siyansi.
Ikoreshwa mugupima ubuzima bwicyuma, gushushanya inshinge na nylon zipper munsi yumutwaro wihariye no gukurura ibihe
Byakoreshejwe mugupima imbaraga zo kumeneka, kurambura kuruhuka, umutwaro kurambuye kuramba, kurambura umutwaro uhamye, kunyerera nibindi bintu bya fibre imwe, insinga zicyuma, umusatsi, fibre karubone, nibindi.
Ikoreshwa mugupima ubukonje bwa pajama, uburiri, imyenda nimyenda y'imbere, kandi irashobora no gupima ubushyuhe bwumuriro.