1, ya kamata ya zama santsi da santsi, babu tsagewa, gefuna masu kaifi da ƙonewa da sauran lahani, ana iya sake duba amfani da gilashin ƙararrawa da sauran wurare.

2, mari don ninka nauyin aminci kamar nauyin gwaji don gwadawa. Tilas fil ɗin ba zai zama naƙasa na dindindin ba kuma yana da 'yanci don juyawa bayan sassautawa. Tsawon tsayin jiki ba zai wuce O.25% ko O.5mm ba. 300 ton na waɗannan sau 2 masu zuwa nauyin aminci azaman nauyin gwaji don gwadawa, fiye da tan 300 na sau 1.33 na nauyin aminci azaman nauyin gwaji don gwadawa.

3, ƙuƙumi na iya zama gwajin amincin samfur. Nauyin ya ninka na gwajin gwaji. Ba za a karye sarƙar ko ɗaurin ya lalace ba.

4, An yarda da amfani da sarƙoƙi na nauyin aminci M (4).

5, a cikin jikin maɓallin ya kamata a yi masa alama tare da matakin ƙarfi, nauyin aminci da sauran alamomi.