afgetrokken

Michael Beijer Apr 19, 2017:

that's the word couldn't think of it

Richard Purdom (asker) Apr 19, 2017:

ah thanks, levelling it is!

Michael Beijer Apr 19, 2017:

I think it mean gladstrijken / vlak trekken. something like that

Kitty Brussaard Apr 19, 2017:

@Richard Not sure how this is called in English but the procedure as such is clearly shown in the second picture of http://botament.com/nl/praktijk/plaatsen-van-tegels-en-natuu... Alternatively, have a look at page 45 of http://botament.com/fileadmin/user_upload/pdfs buttons/Prosp...

The 'rij' referred to in your source text is also known as 'regel'.