contractor 承包商
supervisision 监督
negotiable 可妥协的
leave safety on top 把安全放在最高位置
pay a productive visit to sb 进行一次卓有成效的拜访
work at height 高处作业
inspect activities item by item对活动进行逐项检查
implementation status 执行情况
security risk accessement 安全风险评估
have an interview with sb 与某人进行会晤
the fatal incident of fall 高处坠亡事故
recognize and affirm 认可和肯定
reduce the risk of a similar incident happening again减少类似事故再次发生的风险
processes and produres 流程和程序
cut corners 走捷径