ROYAL HOME FURNITURE CO.,LTD. has been focusing on the Manufacturing Furniture business for years. And we have won many honorary qualifications due to the outstanding R&D capabilities and superb production technology. ROYAL has obvious geographical advantages with great traffic convenience. ROYAL is dedicated to providing professional, efficient and economical solutions for customers, so as to meet their needs to the greatest extent. is expert in providing ODM services.
How to make household pool filter? Very simple,Make a big pool,Separated by cement in the middle,A water pipe under the bottom connects the two pools,In the first pool, a layer of fine river sand is laid first,A thick layer of bamboo charcoal on the river sand,Charcoal can break a little,At the top, you can change a layer of fine river sand,Pour the water into the first pool,Add: the first one is better to eat than the second one,This creates a poor pressure,The filtration speed will be faster. if it's not a large pool,Small can be based on local materials,Find a large plastic bucket (to be eco-friendly ),Cut the bottom upside down,Cover the bottom layer with thin mesh (the top of the bucket,You can use a sharp knife to tie a small leakage port ),Put the washed coarse river sand, charcoal block and fine river sand in layers,If conditions permit, a layer of quartz stone or magnetic ore can also be placed,The layer is separated from the layer by thin mesh,It is convenient to wash frequently in the future.The f
I want to be a documenter. how can I classify the construction data? those are unit sub-unit projects Project establishment, land use, survey and design, bidding, start-up approval, organization and person in charge.Supervision planning, supervision control and supervision summary.1. construction preparation 2. foundation pile 3. Change Record 4. Quality Assurance, 5. concealment 6. Construction Record 7. quality inspection record.1. drawing change Record 2. Equipment, product quality inspection, installation record 3. acceptance record of concealed works 4. construction Test record 5. quality accident handling record 6. project quality acceptance record.1. construction documents for outdoor installation (water supply, rain water, sewage, heat, gas, telecom, electricity, lighting, TV, fire protection, etc.2. construction documents for outdoor building environment
