Lifting Operation
Description Lifting Operation _Prinsip dasar keselamatan pengangkatan, peran kru (supervisor, rigger, signalman, operator), perencanaan (lifting plan, risk assessment), penggunaan dan […]
Oil and Gas
Description Lifting Operation _Prinsip dasar keselamatan pengangkatan, peran kru (supervisor, rigger, signalman, operator), perencanaan (lifting plan, risk assessment), penggunaan dan […]