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美容基础知识培训 图片培训版美容基础知识培训 图片培训版 美容基础培训知识 第一节 皮肤生理学 皮肤是人体一层柔软、均匀可延伸的保护膜。 皮肤覆盖于人体的最表面,具有非常重要的作用。表皮有角化层和皮脂,既可避免化学刺激,又可防止水份蒸发,此外还含有黑色素,可抵御紫外线的损伤。真皮具有高度韧性,可防止机械损伤。皮肤内神经末梢丰富,能感受各种刺激。皮肤的总重量约占人体重量16%,总面积约为1.5—2.0平方米,皮肤是人体最大的器官。 皮肤的特点: 皮肤是人体中占最大面积的组织,视觉所见的部份几乎都由皮肤构成。自我呼吸,自愈特点。 第二...

美容基础知识培训 图片培训版
美容基础知识 培训 焊锡培训资料ppt免费下载焊接培训教程 ppt 下载特设培训下载班长管理培训下载培训时间表下载 图片培训版 美容基础培训知识 第一节 皮肤生理学 皮肤是人体一层柔软、均匀可延伸的保护膜。 皮肤覆盖于人体的最表面,具有非常重要的作用。表皮有角化层和皮脂,既可避免化学刺激,又可防止水份蒸发,此外还含有黑色素,可抵御紫外线的损伤。真皮具有高度韧性,可防止机械损伤。皮肤内神经末梢丰富,能感受各种刺激。皮肤的总重量约占人体重量16%,总面积约为1.5—2.0平方米,皮肤是人体最大的器官。 皮肤的特点: 皮肤是人体中占最大面积的组织,视觉所见的部份几乎都由皮肤构成。自我呼吸,自愈特点。 第二节 皮肤的结构 一、总体构造 1、皮肤在人体中所占面积最大,皮肤的厚度约1—4mm,手掌和颅顶的皮肤较厚,生 殖器官和眼睛四周的皮肤薄。真皮的厚度约为2mm,表皮的平均厚度则为0.1mm,皮 肤是人体中除了骨骼血液外重量最重的组织,一般人的皮肤重量大约为3—7公斤左右2、显微镜下皮肤可分皮嵴、皮沟。两者交错形成皮野。 3、皮肤的肤色:皮肤的颜色因人种、性别、年龄的不同而各自不同,而且每一个人部位不同也有所不同。从大的方面来说,分为白种人、黄种人和黑种人。在性别上男性比女性的色素丰富,在年龄上长者比年青者的色素丰富,在部位上手掌和足根的色素少,乳头、肛门等部位的色素多。 决定 郑伟家庭教育讲座全集个人独资股东决定成立安全领导小组关于成立临时党支部关于注销分公司决定 这些皮肤色素的要素是黑色素、类黑色素、叶红素、氧化血红朊、还原血红朊等色素,以及表皮厚度、光的散射度及皮下血管等等。 皮肤的组成部份: 水 50—72% 蛋白质 25% 无机盐及脂肪酸 3% 二、 皮肤结构 the oil level to the normal oil level. (2) for the secondary prevention of the leakage of cooling water pipe fittings, valve parts before installation to check ... 4.2 measures to eliminate quality defects of cables cable laying in front of the cable construction, design, supervision and construction units to deliver the design, and drawing the third. Combined the engineering field to find fault, adding omitted items. Because the unit used computer DCS control and adds a great deal of control and signal cables. So you should carefully review, checks for missing physical cable, ready for construction and to verify cable length, specifications, familiar with the cable channel and the device location and bracket cable bracket on the section number. At the time of preparation of the inventory of cable, first of all, the professional carefully study electrical schematics, in accordance with the principle of accounting the cable path cable volume, the number of cores used, total volume and design inventory check cable to cable with and without omission, laying of the cable in order to ensure the process does not put a cable one cable. Finally, at the time of inventory, prepared to take the same path the cables together. Inventory preparation is completed, later in each enclosure affixed on both sides of each side of the cable you want to lay accurately verify cable lengths and set aside. Bridge should be combined, correcting errors, avoid straight, no cable bridge scaffolding used in the construction, not allowed to use electricity (fire) cutting, fix cable tray, cable tray is not allowed as a welding ground connection or cable tray cannot be used for other processes 1、表皮;是皮肤的最上层,此层没有血管,但有许多的神经末梢。皮肤由多层的细胞组成。由内至外分为五层: 1)、基底层:表皮的最内层,邻接真皮,此层有两种细胞,即基底细胞和色素细胞,基底细胞又名生发展,成单层柱状排列,有很强的繁殖能力,是表皮细胞的生发之源。它能不断的向上生长,构成各层细胞。每当表皮破损时,这种细胞就会增长、修复而不留疤痕。从一个基底细胞产生到变成角质细胞,最后失去生命力而成为皮屑脱落,正常人约28天。黑色素细胞稀疏散布于基底细胞之间,用银染色法可见细胞呈树枝状,含有酪氨酸酶,能够产生黑色素。正常的皮肤颜色主要与黑色素的含量有关,黑色素可阻止紫外线穿透皮肤,使深部组织免受伤害,晒太阳后,皮肤变黑是由于黑色素增加,以增强皮肤对阳光的抵抗能力。 2)、棘细胞层;颗粒层之下,由4~8层带棘的多角形细胞组成,是表皮最厚的一层,细胞核大,椭圆或圆形,细胞之间有棘突相连,故称棘细胞。各细胞间有空隙,贮存淋巴液,以供给细胞营养。 3)、颗粒层:由2~4层梭形或菱形细胞所组成,细胞核苍白,细胞内含有很多由透明蛋白,角蛋白所构成的颗粒,因而叫颗粒层,在掌、趾等部位颗粒层分布明显。 4)、透明层:在角质层之下,是由2~3层扁平无核细胞构成,显微镜下普通染色此层不着色,由于成透明带状故得名。此层仅见于角质发达的部位,如掌、趾部。 )、角质层:是表皮的最外层,由数层极扁平无核的角化细胞构成,含有角蛋白及角质脂 5 肪,此层的厚度因部位而异,如眼脸及肘窝部的角质层较薄。最浅表的角质层的细胞连接,松散、桥体消失,可成片脱落,成为皮屑。整个角质层由于细胞充满蛋白,细胞膜显著增厚以及由于细胞间隙中充填物质加固了细胞间的结合,既能防止一定程度的机械和化学损 2、真皮:主要为结缔组织,由纤维和基质及细胞组成,含有丰富的血管、淋巴管、神经、肌肉及附属器等。 3、皮下组织:由大量的脂肪组织及疏松的结缔组织组成。脂肪组织具有弹性,并贮存大量的热能,有缓冲外来压力,保护内脏组织免受损伤,供给肌体足够能量的作用。 the oil level to the normal oil level. (2) for the secondary prevention of the leakage of cooling water pipe fittings, valve parts before installation to check ... 4.2 measures to eliminate quality defects of cables cable laying in front of the cable construction, design, supervision and construction units to deliver the design, and drawing the third. Combined the engineering field to find fault, adding omitted items. Because the unit used computer DCS control and adds a great deal of control and signal cables. So you should carefully review, checks for missing physical cable, ready for construction and to verify cable length, specifications, familiar with the cable channel and the device location and bracket cable bracket on the section number. At the time of preparation of the inventory of cable, first of all, the professional carefully study electrical schematics, in accordance with the principle of accounting the cable path cable volume, the number of cores used, total volume and design inventory check cable to cable with and without omission, laying of the cable in order to ensure the process does not put a cable one cable. Finally, at the time of inventory, prepared to take the same path the cables together. Inventory preparation is completed, later in each enclosure affixed on both sides of each side of the cable you want to lay accurately verify cable lengths and set aside. Bridge should be combined, correcting errors, avoid straight, no cable bridge scaffolding used in the construction, not allowed to use electricity (fire) cutting, fix cable tray, cable tray is not allowed as a welding ground connection or cable tray cannot be used for other processes 三、皮肤的附属器管 汗腺、皮脂腺、毛发、指(趾)甲 四、皮肤的脂肪 表皮中的脂肪细胞 皮脂腺中的脂肪 汗腺分泌中的脂肪 五、皮肤的色素 血液中的红血球的多少 黑色素母细胞中的黑色素颗粒 六、皮肤的神经 自动神经纤维、感觉神经纤维、分泌神经纤维 七、皮肤的六大生理功能 保护作用、调节体温作用、感觉作用、分泌和排泄作用、渗透和吸收作用、以及代谢作用。 八、皮肤的分类 :油性、中性、干性、混合性、、敏感性、衰老、缺水、毛细血管扩张、肤色晦暗及色斑皮肤等。 四季顺时护肤,整体美容护肤。 春 季 春光明媚的春天,万物复苏,皮肤的机能也相应活跃显得特别生气勃勃。 1、皮肤的特征:A、皮脂腺汗腺分泌较旺盛。此时的气候忽冷忽热,皮脂腺和汗腺难以得到平衡,此时皮肤较易敏感,皮脂分泌过盛也容易长出面疱。B、天气转暖,温度较高,皮肤的新陈代谢机能旺盛。 C、皮肤从冬季过来,由于突然的活动,使得皮肤脆弱敏感,易起斑疹,皮肤炎症。 2、正确的保养:A、保持皮肤清洁: 洗脸:使用适合自己肤质,且无刺激性的洗面乳,完全彻底清洁皮肤。 化妆水的使用:帮助杀菌、清洁、柔软肌肤。 B、避免直接日光照射,应用防晒品。C、选用亲水性的护肤品。 夏季—最容易发生皮肤问题的季节 夏季,不论任何肤质,都应加强防晒美白的护理,注意控油补水。 1、皮肤特征:A、一年之中皮肤汗水分泌最多的季节。皮肤的新陈代谢加快,使角质层的死细胞剧增,堆积在表皮上。B、一年中阳光最强的时候,而且皮肤出汗多,毛孔张开,皮肤易生黑斑和暗疮。C、流汗增多,皮质膜的PH值增高而细菌容易繁殖,面疱粉刺不断出现。 2、正确保养:A、清洁保湿:选用清爽型,能加强肌肤水合的作用且兼美白防晒功能的保养品,既可避免肌肤因毛孔阻塞而滋长粉刺面疱和暗疮,同时防止肌肤因缺水而发生老化、皱纹。B、美白防晒:可选用具有防晒美白、保湿功能的护肤品。 秋 季 秋季,肌肤的锁水能力大下降,保湿是最重要的。 1、皮肤特征:A、空气干燥,气温降低,皮脂分泌降低,皮肤新陈代谢减弱。B、太阳光线中紫外线减弱,紫外线依然存在,对皮肤的杀伤力仍很强,且由于季节的转换,皮肤极易敏感,紫外线的杀伤力相对较强。C、皮肤若遭受夏日的灼伤而不加护理,一到秋天,就会变干、粗糙、变黑、角质粗厚、皱纹加深、黑色素加深。 the oil level to the normal oil level. (2) for the secondary prevention of the leakage of cooling water pipe fittings, valve parts before installation to check ... 4.2 measures to eliminate quality defects of cables cable laying in front of the cable construction, design, supervision and construction units to deliver the design, and drawing the third. Combined the engineering field to find fault, adding omitted items. Because the unit used computer DCS control and adds a great deal of control and signal cables. So you should carefully review, checks for missing physical cable, ready for construction and to verify cable length, specifications, familiar with the cable channel and the device location and bracket cable bracket on the section number. At the time of preparation of the inventory of cable, first of all, the professional carefully study electrical schematics, in accordance with the principle of accounting the cable path cable volume, the number of cores used, total volume and design inventory check cable to cable with and without omission, laying of the cable in order to ensure the process does not put a cable one cable. Finally, at the time of inventory, prepared to take the same path the cables together. Inventory preparation is completed, later in each enclosure affixed on both sides of each side of the cable you want to lay accurately verify cable lengths and set aside. Bridge should be combined, correcting errors, avoid straight, no cable bridge scaffolding used in the construction, not allowed to use electricity (fire) cutting, fix cable tray, cable tray is not allowed as a welding ground connection or cable tray cannot be used for other processes 2、正确保养:A、清洁:使用温和性的洗面奶。B、保湿滋养:可使用亲油性护肤品,注意保湿,多摄取动物性蛋白质,注意营养。C、美白防晒:仍要使用紫外线防护用品,可做美白敷脸,改善夏季时所残留下来的日晒斑。D、应做去角质工作,改善夏季以来角质增厚的现象。 冬 季 进入冬季后,皮脂腺的分泌减少,油脂也易挥发,所以冬季特别要注意保湿滋养。 1、皮肤特征:A、皮脂腺及汗腺分泌减少,皮肤新陈代谢差。B、皮肤易干燥,局部易皱裂。 2、正确保养A、清洁:天冷毛孔收缩,易引起污垢阻塞,故仍应注意清洁,但应减少用热水洗脸的次数,因为过多的热水洗脸容易失去皮肤上油份,用比较温和的洗面奶。B、滋润按摩:使用高滋润和高保湿力的护肤品,多做按摩促进皮肤血液,增强皮肤弹性。C、多喝水,多吃新鲜蔬菜和水果,以补充体内的水份和营养。D、外出时擦上防护保养品,减少冷空气,冷风对皮肤的刺激,自然美丽的肌肤应随四季变化而细心照料,以增加气候的适应能力,使肌肤长保青春。 问题肌肤的护理 油性肌肤、暗疮肌肤护理 一、油性皮肤、暗疮皮肤的特征:油性皮肤、暗疮肌肤:毛孔粗大、油脂分泌旺盛、肌肤易受污染、脸上油腻光亮、皮质厚硬、肤色较深、多油、缺水、易长黑头粉刺、暗疮。 二、油性皮肤、暗疮肌肤的成因 油性皮肤的瑕疵:暗疮、黑头、粉刺(酒米)、毛孔粗大、酒糟鼻。1、雄性激素过多导致皮脂腺功能旺盛;2、食用高糖、高脂、辛辣、煎炒等刺激性食物致消化功能过盛或便秘;3、维生素B1、维生素B6缺乏导致,鼻部明显;4、缺水:人体摄入水分不够或过少造成血液浓度过高,影响正常的血液循环,也影响细胞的正常吸收及排泄,造成细胞所得水分不够,因而过早死亡;5、与内分泌失调有关。 三、油性皮肤、暗疮肌肤的护理 日常护理以控制油脂分泌和保持肌肤清洁为主 1、选用洁肤能力强的洁面产品,如:泡沫类、啫喱类洁肤产品,每日用温水清洁2-3次; 2、选用控油收敛的爽肤水及护理产品,周护理可加强去角质和深层清洁;3、忌辛辣、刺激、高糖、高脂肪的食物。4、危险“三角区”不能做针清术,严重不能按摩或只做穴位或淋巴排毒;5、暗疮期间尽量不化浓妆或少化妆,应避免去公共场所,不要养成用手抓面的习惯; 6、注意肠胃功能,保持大便畅通。 中性肌肤护理 一、中性皮肤的特征: 皮肤红润、光滑,不干也不油腻、触手幼嫩、富有弹性、 厚薄适中、纹理细腻、通常无瑕疵,属健康的皮肤。 the oil level to the normal oil level. (2) for the secondary prevention of the leakage of cooling water pipe fittings, valve parts before installation to check ... 4.2 measures to eliminate quality defects of cables cable laying in front of the cable construction, design, supervision and construction units to deliver the design, and drawing the third. Combined the engineering field to find fault, adding omitted items. Because the unit used computer DCS control and adds a great deal of control and signal cables. So you should carefully review, checks for missing physical cable, ready for construction and to verify cable length, specifications, familiar with the cable channel and the device location and bracket cable bracket on the section number. At the time of preparation of the inventory of cable, first of all, the professional carefully study electrical schematics, in accordance with the principle of accounting the cable path cable volume, the number of cores used, total volume and design inventory check cable to cable with and without omission, laying of the cable in order to ensure the process does not put a cable one cable. Finally, at the time of inventory, prepared to take the same path the cables together. Inventory preparation is completed, later in each enclosure affixed on both sides of each side of the cable you want to lay accurately verify cable lengths and set aside. Bridge should be combined, correcting errors, avoid straight, no cable bridge scaffolding used in the construction, not allowed to use electricity (fire) cutting, fix cable tray, cable tray is not allowed as a welding ground connection or cable tray cannot be used for other processes 二、中性皮肤的成因: 先天性,中性皮肤十分罕见,通常在发育前的少女多见。 三、中性肌肤的护理 1、此类肌肤易生皱纹,必须注意保养,尤其夏天的防晒,冬天的保湿;2、不能用太过油腻的面霜,避免使用过量的精华素或营养品;3、注意保养,保持心情舒畅、休息好,坚持每天保养维护中性皮肤最好的状态; 干性肌肤护理 一、干性皮肤的特征; 无光泽感、缺乏弹性、表皮角质容易脱落,特别在冬季,新陈代谢降低,皮脂和水分更加不足,易出现裂纹,皱纹,斑点及敏感的现象。 二、干性皮肤的成因; 皮肤油脂腺缺少了制造油脂的功能。 1、碱性物质的刺激、脱脂能力强的洁肤产品、有机溶媒的刺激等;2、年龄增大造成的角质屏障功能降低;3、外界环境因素:寒冷、紫外线、大风、气候干燥等。 三、干性肌肤的护理 1、保持充足睡眠,适当的运动,注意防晒,不要用力摩擦皮肤,避免外力对皮肤的强烈作用;2、多吃水果蔬菜;3、外用类禁忌:含有汞或氢醌的各类化妆品、软膏;含类固醇类的软膏。4、选用保湿度和滋润度均较高的产品 混合性肌肤护理 一、混合性皮肤的特征: 混合性肌肤都兼有油性皮肤和干性皮肤的两种特点,在面部T区(额、鼻、口、下颌)呈油性,其余部位呈干性。混合性皮肤多见于25-35岁之间的人。我国大部分人都属于此类皮肤。额头、鼻子、下巴,即脸部的T字部位,属于油性皮肤;而两颊、眼睛四周属于干性肤质。 二、混合性皮肤的成因:“T”字部位由于油脂分泌旺盛,易使毛孔粗大,形成黑头,其余部份分泌减少缺水缺油现象。 三、混合性皮肤的护理 1、混合型皮肤的人应该特别注意清洁的步骤。最好能在T区和T区外使用两种洗面奶,T 区使用清洁力较强的泡沫型,T区外使用温和的乳液型洗面奶。或在出油的部位多洗一次,在出油的地方,三天可以用去除角质进行一次深层清洁。 2、定期给予肌肤大扫除——敷脸,在敷脸的时候一定要分区做面膜,T字部位用清爽的面膜,干燥部位用保湿、营养面膜。 3、在日常保养时,要加强保湿工作,不要涂油腻的保养品。 4、干燥的部分要着重保湿,用热敷促进新陈代谢,做化妆水,保湿乳液加强保湿,以补足水分。 敏感性肌肤护理 一、敏感性肌肤的特征 1、皮肤表皮薄,细腻白皙,皮脂分泌少,较干燥,微血管明显,皮肤呈现干燥机能减退,角质层保持水分的能力降低,肌肤表面的皮脂膜形成不完全。 2. 接触化妆品或季节过敏后易引起皮肤过敏,出现红、肿、 痒。皮肤缺乏光泽,脸颊易充血红肿。 3. 因季节变化而使皮肤容易呈现不稳定的状态。主要症状是搔痒、烧灼感、刺痛、皮肤发痒和出小疹子。 the oil level to the normal oil level. (2) for the secondary prevention of the leakage of cooling water pipe fittings, valve parts before installation to check ... 4.2 measures to eliminate quality defects of cables cable laying in front of the cable construction, design, supervision and construction units to deliver the design, and drawing the third. Combined the engineering field to find fault, adding omitted items. Because the unit used computer DCS control and adds a great deal of control and signal cables. So you should carefully review, checks for missing physical cable, ready for construction and to verify cable length, specifications, familiar with the cable channel and the device location and bracket cable bracket on the section number. At the time of preparation of the inventory of cable, first of all, the professional carefully study electrical schematics, in accordance with the principle of accounting the cable path cable volume, the number of cores used, total volume and design inventory check cable to cable with and without omission, laying of the cable in order to ensure the process does not put a cable one cable. Finally, at the time of inventory, prepared to take the same path the cables together. Inventory preparation is completed, later in each enclosure affixed on both sides of each side of the cable you want to lay accurately verify cable lengths and set aside. Bridge should be combined, correcting errors, avoid straight, no cable bridge scaffolding used in the construction, not allowed to use electricity (fire) cutting, fix cable tray, cable tray is not allowed as a welding ground connection or cable tray cannot be used for other processes 4. 容易受冷风、食物、水质、紫外线、合成纤维、香味等外在环境或物质的影响。 5. 单接触到刺激性物质就会引发肌肤的问题。对阳光、气候、水、植物(花粉)、化妆品、香水、蚊虫叮咬及高蛋白食物都有可能导致过敏。 二、敏感皮肤的护理 (1)常用冷水洗面,增加皮肤的抵抗力。使用刺激性小的洁面产品。(2)敏感性肌肤浅薄的角质层常常不能保持住足够的水分,无论是在夏天的冷气房中,或是在冬天干燥的气候中,具有这种肤质的人,会比一般人更敏锐地感觉到皮肤缺水、干燥,因而日常保养中加强保湿非常重要。季节更替时,也需要留心更换不适用的基础保养品。 (3)选用对皮肤具有修护功能的护肤品;(4)敏感性皮肤不宜去掉角质。这是因为,角质薄和角质损伤是造成敏感的主要原因,因而保养的首要原则就是维护角质不受伤害。对于磨砂膏、去死皮膏等产品更应敬而远之。(5)敏感性皮肤日常应加强防护。由于敏感性肌肤的表皮层较薄,缺乏对紫外线的防御能力,因此,应该注意防晒产品的使用,但防晒产品的成分也是易刺激皮肤的因素之一,因此要在擦上基础保养品之后,再涂抹防晒产品。 眼部肌肤护理 一、眼部肌肤特征 人体中最薄弱的肌肤 眼部,它只有0.33-0.36mm 眼部肌肤的重要功能 保护眼周湿润,避免眼球受伤以及保眼睛免受有害光线及污物侵害 不可想象的眼部肌肤 眼睛每天必须眨动24000多次,这一连串的动作使眼周肌肤受到莫大的眼部皮肤非常的柔嫩细薄。 眼部皮肤表层的厚度为0.33-0.36微米,面部皮肤表皮厚度为1-1.6微米,即眼部皮肤表层的厚度仅是面部的1/3-1/5,且几乎没有肌肉支持——所以容易缺水,容易出现皱纹。 压力 眼部肌肤易出现的问题:从病理上 分析 定性数据统计分析pdf销售业绩分析模板建筑结构震害分析销售进度分析表京东商城竞争战略分析 ,眼部皮肤问题是如何产生的 黑眼圈——血液循环发生障碍 是由于经常熬夜,情绪不稳定,眼部疲劳,衰老,静脉血管血流 速度过于缓慢,眼部皮肤红血球细胞供氧不足,静脉血管中CO2及代谢废物积累过多,形成慢性缺氧,血液较暗并形成滞流以及 眼部色素沉着造成。 眼袋——液体积聚 眼睛疲劳、衰老,长期微循环不佳积聚多余的水分和脂肪,眼眶周围的肌肤弹性降低,眼部皮肤松弛,皮下脂肪下移在下眶形成凸出的袋状物。 起皱——眨动次数频繁 眼皮每天都要眨动24000次以上,这种不停歇的运动,使眼皮及周围的皮肤受到莫大的压力;另眼皮内的胶原蛋白及弹力要素也会因眼皮的不断眨动而流失,造成眼皮的松弛与脆弱,使眼周容易形成皱纹 。 二、眼部肌肤的护理 1、保持充足的睡眠,睡觉前不吃流质食物,不喝水;2、补充眼部肌肤水分,减少干纹的出现;3、眼霜不要太油腻,避免脂肪粒的出现;4、作适宜的眼部按摩,减缓肌肤疲劳,按摩眼部时注意力量不宜太大;5、尽量少用电脑,较少眼部疲劳。 the oil level to the normal oil level. (2) for the secondary prevention of the leakage of cooling water pipe fittings, valve parts before installation to check ... 4.2 measures to eliminate quality defects of cables cable laying in front of the cable construction, design, supervision and construction units to deliver the design, and drawing the third. Combined the engineering field to find fault, adding omitted items. Because the unit used computer DCS control and adds a great deal of control and signal cables. So you should carefully review, checks for missing physical cable, ready for construction and to verify cable length, specifications, familiar with the cable channel and the device location and bracket cable bracket on the section number. At the time of preparation of the inventory of cable, first of all, the professional carefully study electrical schematics, in accordance with the principle of accounting the cable path cable volume, the number of cores used, total volume and design inventory check cable to cable with and without omission, laying of the cable in order to ensure the process does not put a cable one cable. Finally, at the time of inventory, prepared to take the same path the cables together. Inventory preparation is completed, later in each enclosure affixed on both sides of each side of the cable you want to lay accurately verify cable lengths and set aside. Bridge should be combined, correcting errors, avoid straight, no cable bridge scaffolding used in the construction, not allowed to use electricity (fire) cutting, fix cable tray, cable tray is not allowed as a welding ground connection or cable tray cannot be used for other processes
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