Nhasi ndinodada kuunza tambo yedu ye1/2" × 15' yegungwa-blue-yakarukwa naironi yakapetwa kaviri ine reflective tracer. Mutsetse wacho unopenya mwenje wakajeka pasi pemarangi akasimba, uchiwedzera kuchengetedzeka pabasa rega rega. Abrasion- uye inodzivirira kukoromoka, inopa simba remutoro wepamusoro uye kusimba kwenguva refu. Vimba neSantong mhando yaunokwanisa kuvimba nayo.
Nhasi ndinodada kuunza tambo yedu ye1/2" × 15' yegungwa-blue-yakarukwa naironi yakapetwa kaviri ine reflective tracer. Mutsetse wacho unopenya mwenje wakajeka pasi pemarangi akasimba, uchiwedzera kuchengetedzeka pabasa rega rega. Abrasion- uye inodzivirira kukoromoka, inopa simba remutoro wepamusoro uye kusimba kwenguva refu. Vimba neSantong mhando yaunokwanisa kuvimba nayo.