Matt Trakker uses the vocal command "mask" to lower his mask onto his head. A moment later, Dusty Hayes uses the same command when he is already wearing his mask and is launching the boat section from Gator instead.
The Dutch characters here are portrayed to be a little bit inept at English and have a heavy accent which doesn't sound like it's Dutch at all. Most Dutch people in real life, especially those dealing with foreigners, fluently speak English with only a slight accent.