siyempre ninang ninong ko yan
non-verbal communication in different cultures. facial expressions are mostly similar in most cultures as many of them like smile and cry are innate. according to researches, six expressions are universal; they are, happiness, sadness, disgust, fear, anger and surprise.
that can be lift and to lower the materials and to move them horizontally.
and is used for heavy materials such as bricks,stones,and precious stones also.
thats all i hope it helps!