(1) How long have you been making installations?
Since the middle of the 1980s
(2) Why did you choose to make installations and not anything else?
I do many other kinds of artworks (graphics, visual poetry-works, objects, etc.)
(3) What do you think of your own works?
?
(4) What do you think the difference is between your own work and other installations?
Maybe that my works have literary inspiration, too
(5) What do you think of the relationship of traditional artwork and installation?
Nowadays installation can be considered a “traditional artwork”, - otherwise, in a wider sense, it is an old “form of art”...
(6) What is the size and material of an installation determined by?
?
(7) Could you mention the installation you consider to be the largest and the smallest one?
From stamps to cathedrals? - there is a wide variety
(8) Is there any object or idea that cannot be installed?
Taking the original meaning of the word, in this case there isn't
(9) How does environment affect the installation of the work?
? - complex -
(10) Do you know any fact that restricts the possibilities of installation?
? - artistically no -
(11) Do you like making installation for order or at request?
That happened
(12) What do you think of preserving an installation?
Sometimes preserving and becoming part of our “living-environment” would be good
(13) Can the value of an installation be estimated and how?
Estimating can only be absolute subjective
(14) How does copyright apply to installations preserved only in documents?
As I know the same as to any other artworks - installation is also a unique form of art - /tricky question!/