Quarry-a thawkte hnenah Safety Helmet 226 sem a ni.
Mizoram Building and Other Construction Workers Welfare Board hmalakna in nimin July 15, 2014 khan Hlimen leh Melthum-a quarry hnathawktute hnenah Safety Helmet 226 sem a ni a, Central YMA hnenah Disaster Volunteer te hman tur Helmet 30 pek a ni bawk.