BESI RINGAN - AN OVERVIEW

besi ringan - An Overview

As revealed inside the figure, tightening the bolt results in a wedge becoming driven up towards a sleeve, which expands it and will cause it to compress against the material it truly is getting fixed to.Pelatihan: Pekerja harus mendapatkan pelatihan yang memadai tentang penggunaan angkur dan perangkat pelindung jatuh lainnya. Pelatihan ini penting

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