Red and yellow rectangular cards on a white background for referee or warning symbols
Schlüsselwörter
red,
yellow,
card,
rectangle,
symbol,
warning,
ref,
sport,
signal,
indicator,
notification,
alert,
caution,
flag,
token,
marker,
signs,
shape,
colours,
on,
clean,
design,
simple,
flat,
graphic,
element,
object,
communication,
expression,
visual,
representation,
cardboard,
plastic,
material,
texture,
smooth,
style,
minimalist,
abstract,
composition,
arrangement,
pair,
duet,
combination,
colourful
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