says
Fair Play First
A kinda of introductory epigraph
-- Prove yourself an amiable player -- don't use substandard materials.
When using OX sheets, it may well occur that some graphics, brand logo or text is clearly seen from underneath of rubber sheet. It doesn't comply with the Rules anyway, and the only possiblе solution would be using OX sheets with a thin textile or sponge underlayer.
Thankfully, an ultra thin TUTTLE sponge 0.4 mm is now available from a China marketplace.
Be aware that every playmate of yours is now empowered to rightfully check out your racket for compliance with the Rules of Table Tennis.
IMPORTANTE TO NOTE
 Playing the game with substandard racket is some disregard of your clubmates. Have some good decency, please.

-- Prove yourself an amiable player -- don't use substandard materials.
When using OX sheets, it may well occur that some graphics, brand logo or text is clearly seen from underneath of rubber sheet. It doesn't comply with the Rules anyway, and the only possiblе solution would be using OX sheets with a thin textile or sponge underlayer.
Thankfully, an ultra thin TUTTLE sponge 0.4 mm is now available from a China marketplace.
Be aware that every playmate of yours is now empowered to rightfully check out your racket for compliance with the Rules of Table Tennis.
IMPORTANTE TO NOTE
 Playing the game with substandard racket is some disregard of your clubmates. Have some good decency, please.

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