QUESTION: Fix punctuation: The first European Equal Pay Day took place in March 2011with the aim of raising awareness of the pay gap between men and women
ANS: The first European Equal Pay Day took place in March 2011,with the aim of raising awareness of the pay gap between men and women.

QUESTION: Fix punctuation: With its timeless design and wide choice of sizes and materials wall mounted Walle is suitable for a wide range of applications
ANS: With its timeless design and wide choice of sizes and materials, wall mounted Walle is suitable for a wide range of applications.

QUESTION: Fix punctuation: WTECO4 has an integrated battery that makes it possible for the device to send data in up to 1 hour after it is disconnected from the power source
ANS: WT-ECO4 + has an integrated battery that makes it possible for the device to send data in up to 1 hour after it is disconnected from the power source.

QUESTION: Fix punctuation: Explanation decipher decode discovery break code explaining decryption puzzle out scientific research
ANS:
Explanation, decipher, decode, discovery, break code, explaining, decryption, puzzle out, scientific research.