- Mỗi chuyến xe xi măng về công trường cần có đủ các chứng chỉ liên quan và giữ nguyên vẹn kẹp chì. Nhà thầu cần thông báo mời tư vấn kiểm tra kẹp chì và chứng kiến lấy mẫu thí nghiệm.
-Each bus on the cement market should have enough relevant certificates and keep intact clamp the lead. Notice inviting contractors consultants check clamp led and witness sampling experiments.
- Each bus cement on site should have the relevant certificates and lead seal intact. Contractors invited to inform counseling leaded check sampling and witness experiments.
Each car cement to the site need to get the relevant certificate and keep clip lead. Contractor needs consulting report to check lead clip and witness sampling test.