QUES: Leading enterprises trust our knowhow

correct the punctuation.

CORRECTED: Leading enterprises trust our know-how.

QUES: The dumbbell bar made of quality steel is about 51 cm long and has 17 cm of dumbbell surfaces

correct the punctuation.

CORRECTED: The dumbbell bar made of quality steel is about 51 cm long and has 17 cm of dumbbell surfaces.

QUES: Leaves aspidistra and secure inside spunzha

correct the punctuation.

CORRECTED:
Leaves aspidistra and secure inside spunzha.