cop4dChronic obstructive pulmonary disease (COPD) is where air cannot get out of the lungs easily (the airflow is obstructed). COPD is a common condition that mainly affects middle-aged or oldercop4d PT Wijaya Karya Industri & Konstruksi membuka peluang karir yang luas dan berkelanjutan bagi profesional muda yang ingin tumbuh dan berkembang dalam