به عنوان مثال، یکی از مزایای استفاده از تجهیزات شستشوی بدون تماس این است که این روش می‌تواند در مناطق حساس به آب مانند مناطق خشک یا با کمبود منابع آبی نیز مورد استفاده قرار گیرد. همچنین، این نوع شستشو معمولاً نیاز به نیروی انسانی کمتری دارد و می‌تواند به طور خودکار انجام شود.
Another significant advantage of tunnel car wash franchises is the reduction in labor costs. With many processes automated, such as waxing and rinsing, fewer employees are needed on-site. This means that franchise owners can save on staffing expenses while still maintaining high standards of cleanliness and service. The operational model is designed for profitability, thus appealing to investors looking for a sound business with manageable overhead.
The techniques employed by professional car washers are what set them apart from the average car owner
. Each step – from pre-washing and hand washing to drying and waxing – involves precise methodologies that ensure a thorough clean. For example, the two-bucket method, which utilizes one bucket for soapy water and another for rinsing, helps prevent the transfer of dirt back onto the car, minimizing the risk of scratches.
Hydroxypropyl methyl cellulose is propylene glycol ether of methyl cellulose, hydroxypropyl and methyl combine with anhydrous glucose ring by ether bond.It is white or pale white cellulose powder or particles.It has different types of products, the methoxy and hydroxypropyl content ratio is different. It is white or gray fibrous powder or particles. It is soluble in water and some organic solvents and unsoluble in ethanol. Aqueous solution has a surface activity, the formation of the film after drying, heated and cooled, in turn, from the sol to gel reversible transformation.
