If you must make an electricity connection in a poorly accessible spot, solder it and seal it against ()
A、metal
B、wood
C、water
D、plastic
A、metal
B、wood
C、water
D、plastic
A、notify Coast Guard or MSA B、make an entry in the Official Logbook C、keep a record for two years D、No action is required if you are more than 25 miles fromland and no plastic materials are dumped
A、thefactofdisagreementandargumentintheoffice B、howtoavoiddisagreementandargumentintheoffice C、howtoargueeffectivelyintheoffice
A、You must have two toxic vapor detectors or the pumproom must meet special requirements B、Each crew member must be provided with an emergency escape breathing apparatus C、A person taking cargo samples must wear protective clothing D、If you are carrying propionic acid also,the venting systems must be segregated
A、You must have two toxic vapor detectors or the pumproom must meet special requirements B、Each crew member must be provided with an emergency escape breathing apparatus C、A person taking cargo samples must wear protective clothing D、If you are also carrying allyl alcohol,the venting systems must be segregated