Weighing 300 to 475 pounds, the gnu is equipped with high, large shoulders.

Attaining a shoulder height of 3~4 feet, it stands higher at the shoulder than at the rump.

이 두문장에서 weighing, attaining 모두 현재분사 맞죠?
그럼 절로 다시 바꿀때 접속사는 뭐가 좋을까요....?