What is the most logical next event?

The video is a tutorial about installing deck tiles. There's a contractor working on a deck. he

OPT: - is going from left to right repairing the deck tile stamina.. - uses an electric jack to imprint and adjusts the tiles.. - begins installing the interlocking wooden tiles on a concrete deck surface.. - is drawing on the tiles..
begins installing the interlocking wooden tiles on a concrete deck surface.