1, appearance should be beautiful, the surface of the wood doors and windows of the paint film to be smooth, bright, no flow fall, bubbles, wrinkles and other quality defects, no corrosion, dead, broken debris; package door and window cover use wood should be with the door and window fan of wood, Color coordination, color difference between veneer and wood can not be large, the tree species should be the same. 2, the door and window fan Founder, can not warp and deform, the door and window sash can just plug into the door window frame, and is consistent with the door window frame
If the gap between the sash and the frame is large, it is mainly due to the inaccessibility of the installation or the fact that the frame of the door and window is not perpendicular to the ground. The sash can be removed and re-planned; if the frame of the door or window is not vertical, the gasket should be found within the frame. straight. 3, the hinge should be accurate, securely installed
If the hinge is not on the right side, it will cause the door and window fan to not match the frame, and the door and window switch will not be smooth. Each hinge can be unscrewed by one screw, and then the fit of the door and window fan and the frame can be adjusted. After the adjustment is correct, all screws are tightened. If the hinge screws are short, or if they are screwed in, the screws are not screwed or the screws are skewed, it will cause the door sash to wander. The appropriate screws should be replaced. The screws must be straight. The screws should be pinned in 1/3 and the rest of the screws must be screwed in. 4. The opening and the lock of the door lock should be smooth, and the two parts locked on the door leaf and the door frame should be consistent.
Inappropriate locks can cause the door switch to be uncomfortable. The tongue plate should be removed, the tongue and groove should be repaired with a chisel, and the position of the tongue and bolt mouth should be adjusted before installation. In addition, the opening direction of the door must meet the requirements. 5, there must be grass-roots materials in the door and window cover
When the window cover is made of block board or density board, the base board should be fixed on the keel of the window frame base and then nailed; the door cover should be made of wood and then framed, planed and straightened, and then assembled and installed on the wall. On the body, cover the base plate and veneer again. Tap the side panel of the door and window cover by hand. If a sound of empty drum sounds, it means that there is no padding such as a blockboard, etc., which should be dismantled.
Door and window space effect picture window switch wooden door paint space fashion small family
High-performance microcentrifuge tubes, optimized design, and high-performance quality help protect your samples. Microcentrifuge tubes are made of polypropylene (PP) and are highly mechanically stable, ensuring your samples are stored, run and centrifuged worry-free.
Microcentrifuge tubes have a maximum centrifugation tolerance of 25,000 x g and are autoclavable (20 minutes, 121°C). The centrifuge tube adopts a snap-on tube cover design, which can be operated with one hand and has good sealing performance, which can effectively prevent liquid leakage; the tube wall is smooth, and the tube body is designed with a frosted area for convenient marking.
microcentrifuge tube sizes,microcentrifuge tubes 1.5 ml,microcentrifuge tubes uses
Yong Yue Medical Technology(Kunshan) Co.,Ltd , https://www.yongyuecultureplate.com