[Teach you a trick]
Medium-term payment time is pre-agreed
Early in the interim period, we must pay attention to its motives. Just a few days after the start of the work, the workers always said that they had to enter the material. There was no money, and the medium-term project had already arrived, urging the owners to pay the interim payments. Normally decorated workers will not do so, but the hapless "home improvement guerrillas" often use this trick.
Experts: When signing a contract, it is best to limit the foreman through money. This has been repeatedly proven to be the most effective. Moreover, what links and standards should be provided for what money should be provided so as to avoid mutual ambiguity. The proportion of payment is best based on the proportion of 3,331, so that even if there are problems, it can be stopped in time.
Buying gadgets also requires receipt
"Home guerrillas" will always find you at the scene and send you to buy it, which is a little cheaper. In fact, many parts are counted in the project section. The decoration foreman suffers from no opportunity to slaughter the owner. Once there is an opportunity, especially when the owner purchases the contracted materials, he will always give you a list. The wire is not enough. It takes 2 wooden lines, etc. Because the sub-secondary, so the owners also feel that the money is not too much, returning accounts is not enough meaning, especially male owners, generally do not account.
Expert: "Home guerrillas" will not be stupid enough to allow owners to take advantage of him, but they will definitely take advantage of the opportunity to take advantage of the loopholes, so despite the loss of such small parts, the money is not much, but the purchase is to buy , The account is still to be considered clear, encounter the foreman who loves to dip cheap, it is best to leave an invoice or receipt after each purchase, to avoid being difficult to open, hard to argue.
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AMICI reflection prism called also roof prism or right angle roof prism,which deflects the beam through an angle of 90 degree and inverts the image. For this reason,this prism is perfect for erecting images inverted by the objectives.
We supply many types of high precision optical prisms,such as Wedge Prism,Right Angle Prism,rhombohedral prism,Dove prism,Penta prism,pyramid prism,dispersing prism,Reflection prism etc. Each having a particular geometry to achieve the reflections necessary to perform a specific imaging task.Reflecting prisms may invert,rotate,deviate or displace a beam.dispersing prisms produce spectral separation for spectroscopic applications or for tuning a laser output.Wedge prism is commonly used in laser system for eliminating the reflections from the second surface or for beam steering.Irregular-shaped or non-standard size prisms may be available by custom order.
Specification of our Amici roof prism as follow:
*Material BK7 Grade A optical glass,UV fused silica,MgF2,N-SF10 etc.
*Dimension:3-100mm.
*Dimension Tolerance +/-0.2mm
*Beam Deviation Up to 30 arc seconds
*Angle Tolerance Up to 5 arc seconds
*Flatness Up to λ/4 @633nm
*Surface Quality 60/40 scratch and dig,40/20 even better
*Chamfer 0.3mm+/-0.1mm
*Coating: AR coating,HR,PR upon request.
Roof Prism,Polished Roof Prisms,Amici Roof Prism,Right Angle Roof Prism
China Star Optics Technology Co.,Ltd. , https://www.opticsrealpoo.com