Hygiene
Sanitation & Cleanliness [pdf] - by Hesperian Health Guides
How to Keep House While Drowning [ebook] by KC Davis
How To Clean Practically Anything [ebook]
Cleaning Products
⚒ DIY Soap Like a Pro! [video - yt] Get 32 Bars From One Batch | HTME: Practical
⚒ Making Soap from EVERYTHING [video - yt] (Pigs, Plants, Potash, Plus more!) | HTME: Toiletries
Food Hygiene
Dishwasher Guide [video] by Technology Connections [yt]
Dishwasher pods [video] by Technology Connections [yt]
New dishwashers are garbage [video]
Food Service Sanitation and Inspections I [pdf] - by US Army medical department
Food Service Sanitation and Inspections II [pdf] - by US Army medical department
Personal Hygiene
ⓘ The Laundry Book [ebook] - The Definitive Guide to Caring for Your Clothes and Linens by Zach & Jerry Pozniak
ⓘ Textile and Laundry in the Hotel Industry [ebook]
New washing machines are garbage [video]
Hair Work [ebook] Self-instructor in the art of hair work, dressing hair, making curls, switches, braids, and hair jewelry of every description.
The Art of Perfumery [ebook] and Methods of Obtaining the Odors of Plants by Piesse
Other
ⓘ Health on the Farm: A Manual of Rural Sanitation and Hygiene [ebook]
ⓘ Communicable Diseases and Field Sanitation [pdf] - by US Army
ⓘ Sterile Procedures [pdf] - by US Army
ⓘ Wastewater Treatment [pdf] - by US Army medical department
ⓘ Scrub, Gown, And Glove Procedures by The Army Institute For Professional Development
ⓘ Occupational Health And Industrial Hygiene by The Army Institute For Professional Development