求翻译：作業台面由以前每一小時用無塵布沾酒精清理一次,更改為現在的半個小時清潔一次，在作業過程中若發現台面上有異物時,立即停止作業進行清理。是什么意思？

The operation table every hour from the previous clean cloth dipped in alcohol to clean with a change to the current half-hour cleaning time , when the job process, if a foreign body was found on the table , clean up immediately cease operations .

Taiwan operations from the previous every hour to clean the clean my James alcohol, change to the half an hour clean once, in the operations of Taiwan found a foreign matter, and to work stoppage by clean-up.

The work floor moistened the ethyl alcohol by before each hour with dustlessness cloth to clean up one time, changes cleanly for the present half hour one time, in work process if discovered when in the floor had the foreign matter, stopped the work carrying on the cleaning up immediately.

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